diff --git a/common/aws-s3-common/pom.xml b/common/aws-s3-common/pom.xml
index 410d54de..ab973d1c 100644
--- a/common/aws-s3-common/pom.xml
+++ b/common/aws-s3-common/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.springframework.cloud.fn</groupId>
         <artifactId>spring-functions-parent</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-RC1</version>
         <relativePath>../../spring-functions-parent/pom.xml</relativePath>
     </parent>
 
diff --git a/common/config-common/pom.xml b/common/config-common/pom.xml
index 9fd04efd..f686ef59 100644
--- a/common/config-common/pom.xml
+++ b/common/config-common/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.springframework.cloud.stream.app</groupId>
         <artifactId>stream-applications-build</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-RC1</version>
         <relativePath>../../../stream-applications-build/pom.xml</relativePath>
     </parent>
 
diff --git a/common/debezium-autoconfigure/pom.xml b/common/debezium-autoconfigure/pom.xml
index 19ca86df..8252e9e0 100644
--- a/common/debezium-autoconfigure/pom.xml
+++ b/common/debezium-autoconfigure/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.springframework.cloud.fn</groupId>
         <artifactId>spring-functions-parent</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-RC1</version>
         <relativePath>../../spring-functions-parent/pom.xml</relativePath>
     </parent>
 
diff --git a/common/file-common/pom.xml b/common/file-common/pom.xml
index 2d841971..1b273b48 100644
--- a/common/file-common/pom.xml
+++ b/common/file-common/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.springframework.cloud.fn</groupId>
         <artifactId>spring-functions-parent</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-RC1</version>
         <relativePath>../../spring-functions-parent/pom.xml</relativePath>
     </parent>
 
diff --git a/common/ftp-common/pom.xml b/common/ftp-common/pom.xml
index 326763f9..3a018da5 100644
--- a/common/ftp-common/pom.xml
+++ b/common/ftp-common/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.springframework.cloud.fn</groupId>
         <artifactId>spring-functions-parent</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-RC1</version>
         <relativePath>../../spring-functions-parent/pom.xml</relativePath>
     </parent>
 
diff --git a/common/function-test-support/pom.xml b/common/function-test-support/pom.xml
index cbd42ee9..2b1c4150 100644
--- a/common/function-test-support/pom.xml
+++ b/common/function-test-support/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.springframework.cloud.fn</groupId>
         <artifactId>spring-functions-parent</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-RC1</version>
         <relativePath>../../spring-functions-parent/pom.xml</relativePath>
     </parent>
 
diff --git a/common/metadata-store-common/pom.xml b/common/metadata-store-common/pom.xml
index 91c4c611..97b81b15 100644
--- a/common/metadata-store-common/pom.xml
+++ b/common/metadata-store-common/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.springframework.cloud.fn</groupId>
         <artifactId>spring-functions-parent</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-RC1</version>
         <relativePath>../../spring-functions-parent/pom.xml</relativePath>
     </parent>
 
diff --git a/common/mongodb-common/pom.xml b/common/mongodb-common/pom.xml
index 3b62ba45..cd6df8c6 100644
--- a/common/mongodb-common/pom.xml
+++ b/common/mongodb-common/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.springframework.cloud.fn</groupId>
         <artifactId>spring-functions-parent</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-RC1</version>
         <relativePath>../../spring-functions-parent/pom.xml</relativePath>
     </parent>
 
diff --git a/common/mqtt-common/pom.xml b/common/mqtt-common/pom.xml
index 6683cc62..0e71481a 100644
--- a/common/mqtt-common/pom.xml
+++ b/common/mqtt-common/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.springframework.cloud.fn</groupId>
         <artifactId>spring-functions-parent</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-RC1</version>
         <relativePath>../../spring-functions-parent/pom.xml</relativePath>
     </parent>
 
diff --git a/common/pom.xml b/common/pom.xml
index 95240601..30773967 100644
--- a/common/pom.xml
+++ b/common/pom.xml
@@ -5,7 +5,7 @@
 
 	<groupId>org.springframework.cloud.fn</groupId>
 	<artifactId>functions-common</artifactId>
-    <version>4.0.0-SNAPSHOT</version>
+    <version>4.0.0-RC1</version>
 	<name>java-functions-common</name>
 	<description>Java Functions Common</description>
 	<packaging>pom</packaging>
diff --git a/common/redis-common/pom.xml b/common/redis-common/pom.xml
index 7154308f..27384aaf 100644
--- a/common/redis-common/pom.xml
+++ b/common/redis-common/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.springframework.cloud.fn</groupId>
         <artifactId>spring-functions-parent</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-RC1</version>
         <relativePath>../../spring-functions-parent/pom.xml</relativePath>
     </parent>
 
diff --git a/common/tcp-common/pom.xml b/common/tcp-common/pom.xml
index e9529980..f8c1e068 100644
--- a/common/tcp-common/pom.xml
+++ b/common/tcp-common/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.springframework.cloud.fn</groupId>
         <artifactId>spring-functions-parent</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-RC1</version>
         <relativePath>../../spring-functions-parent/pom.xml</relativePath>
     </parent>
 
diff --git a/common/tensorflow-common/pom.xml b/common/tensorflow-common/pom.xml
index f4e20b28..ca7d0252 100644
--- a/common/tensorflow-common/pom.xml
+++ b/common/tensorflow-common/pom.xml
@@ -7,7 +7,7 @@
 	<parent>
 		<groupId>org.springframework.cloud.fn</groupId>
 		<artifactId>spring-functions-parent</artifactId>
-		<version>4.0.0-SNAPSHOT</version>
+		<version>4.0.0-RC1</version>
 		<relativePath>../../spring-functions-parent/pom.xml</relativePath>
 	</parent>
 
diff --git a/common/twitter-common/pom.xml b/common/twitter-common/pom.xml
index ea797e63..d00f8d9b 100644
--- a/common/twitter-common/pom.xml
+++ b/common/twitter-common/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.springframework.cloud.fn</groupId>
         <artifactId>spring-functions-parent</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-RC1</version>
         <relativePath>../../spring-functions-parent/pom.xml</relativePath>
     </parent>
 
diff --git a/common/xmpp-common/pom.xml b/common/xmpp-common/pom.xml
index 8876264d..90ab5141 100644
--- a/common/xmpp-common/pom.xml
+++ b/common/xmpp-common/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>org.springframework.cloud.fn</groupId>
 		<artifactId>spring-functions-parent</artifactId>
-		<version>4.0.0-SNAPSHOT</version>
+		<version>4.0.0-RC1</version>
 		<relativePath>../../spring-functions-parent/pom.xml</relativePath>
 	</parent>
 
diff --git a/consumer/analytics-consumer/pom.xml b/consumer/analytics-consumer/pom.xml
index c1457651..ee6d1264 100644
--- a/consumer/analytics-consumer/pom.xml
+++ b/consumer/analytics-consumer/pom.xml
@@ -7,7 +7,7 @@
 	<parent>
 		<groupId>org.springframework.cloud.fn</groupId>
 		<artifactId>spring-functions-parent</artifactId>
-		<version>4.0.0-SNAPSHOT</version>
+		<version>4.0.0-RC1</version>
 		<relativePath>../../spring-functions-parent/pom.xml</relativePath>
 	</parent>
 
diff --git a/consumer/cassandra-consumer/pom.xml b/consumer/cassandra-consumer/pom.xml
index f906614f..ee4abaf8 100644
--- a/consumer/cassandra-consumer/pom.xml
+++ b/consumer/cassandra-consumer/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>org.springframework.cloud.fn</groupId>
 		<artifactId>spring-functions-parent</artifactId>
-		<version>4.0.0-SNAPSHOT</version>
+		<version>4.0.0-RC1</version>
 		<relativePath>../../spring-functions-parent/pom.xml</relativePath>
 	</parent>
 
diff --git a/consumer/elasticsearch-consumer/pom.xml b/consumer/elasticsearch-consumer/pom.xml
index 17042c12..3fa161f6 100644
--- a/consumer/elasticsearch-consumer/pom.xml
+++ b/consumer/elasticsearch-consumer/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.springframework.cloud.fn</groupId>
         <artifactId>spring-functions-parent</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-RC1</version>
         <relativePath>../../spring-functions-parent/pom.xml</relativePath>
     </parent>
 
diff --git a/consumer/file-consumer/pom.xml b/consumer/file-consumer/pom.xml
index 01ac18bb..a7413d4c 100644
--- a/consumer/file-consumer/pom.xml
+++ b/consumer/file-consumer/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.springframework.cloud.fn</groupId>
         <artifactId>spring-functions-parent</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-RC1</version>
         <relativePath>../../spring-functions-parent/pom.xml</relativePath>
     </parent>
 
diff --git a/consumer/ftp-consumer/pom.xml b/consumer/ftp-consumer/pom.xml
index 145d782d..ac04e0a7 100644
--- a/consumer/ftp-consumer/pom.xml
+++ b/consumer/ftp-consumer/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.springframework.cloud.fn</groupId>
         <artifactId>spring-functions-parent</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-RC1</version>
         <relativePath>../../spring-functions-parent/pom.xml</relativePath>
     </parent>
 
diff --git a/consumer/jdbc-consumer/pom.xml b/consumer/jdbc-consumer/pom.xml
index 43f5b5c8..8ed14a42 100644
--- a/consumer/jdbc-consumer/pom.xml
+++ b/consumer/jdbc-consumer/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.springframework.cloud.fn</groupId>
         <artifactId>spring-functions-parent</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-RC1</version>
         <relativePath>../../spring-functions-parent/pom.xml</relativePath>
     </parent>
 
diff --git a/consumer/kafka-publisher/pom.xml b/consumer/kafka-publisher/pom.xml
index 33bd815b..901bcd06 100644
--- a/consumer/kafka-publisher/pom.xml
+++ b/consumer/kafka-publisher/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<artifactId>spring-functions-parent</artifactId>
 		<groupId>org.springframework.cloud.fn</groupId>
-		<version>4.0.0-SNAPSHOT</version>
+		<version>4.0.0-RC1</version>
 		<relativePath>../../spring-functions-parent/pom.xml</relativePath>
 	</parent>
 
diff --git a/consumer/log-consumer/pom.xml b/consumer/log-consumer/pom.xml
index dd9b5802..f3ca7c53 100644
--- a/consumer/log-consumer/pom.xml
+++ b/consumer/log-consumer/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>org.springframework.cloud.fn</groupId>
 		<artifactId>spring-functions-parent</artifactId>
-		<version>4.0.0-SNAPSHOT</version>
+		<version>4.0.0-RC1</version>
 		<relativePath>../../spring-functions-parent/pom.xml</relativePath>
 	</parent>
 
diff --git a/consumer/mongodb-consumer/pom.xml b/consumer/mongodb-consumer/pom.xml
index 1a5ffba9..74be3319 100644
--- a/consumer/mongodb-consumer/pom.xml
+++ b/consumer/mongodb-consumer/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.springframework.cloud.fn</groupId>
         <artifactId>spring-functions-parent</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-RC1</version>
         <relativePath>../../spring-functions-parent/pom.xml</relativePath>
     </parent>
 
diff --git a/consumer/mqtt-consumer/pom.xml b/consumer/mqtt-consumer/pom.xml
index 43113823..5ca67925 100644
--- a/consumer/mqtt-consumer/pom.xml
+++ b/consumer/mqtt-consumer/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.springframework.cloud.fn</groupId>
         <artifactId>spring-functions-parent</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-RC1</version>
         <relativePath>../../spring-functions-parent/pom.xml</relativePath>
     </parent>
 
diff --git a/consumer/pom.xml b/consumer/pom.xml
index 377226f7..3fa6dcc5 100644
--- a/consumer/pom.xml
+++ b/consumer/pom.xml
@@ -5,7 +5,7 @@
 
 	<groupId>org.springframework.cloud.fn</groupId>
 	<artifactId>java-functions-consumer</artifactId>
-    <version>4.0.0-SNAPSHOT</version>
+    <version>4.0.0-RC1</version>
 	<name>java-functions-consumer</name>
 	<description>Java Functions Consumer</description>
 	<packaging>pom</packaging>
diff --git a/consumer/rabbit-consumer/pom.xml b/consumer/rabbit-consumer/pom.xml
index 39119125..e26b9d4b 100644
--- a/consumer/rabbit-consumer/pom.xml
+++ b/consumer/rabbit-consumer/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.springframework.cloud.fn</groupId>
         <artifactId>spring-functions-parent</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-RC1</version>
         <relativePath>../../spring-functions-parent/pom.xml</relativePath>
     </parent>
 
diff --git a/consumer/redis-consumer/pom.xml b/consumer/redis-consumer/pom.xml
index d9337be2..c5dadfd2 100644
--- a/consumer/redis-consumer/pom.xml
+++ b/consumer/redis-consumer/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.springframework.cloud.fn</groupId>
         <artifactId>spring-functions-parent</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-RC1</version>
         <relativePath>../../spring-functions-parent/pom.xml</relativePath>
     </parent>
 
diff --git a/consumer/rsocket-consumer/pom.xml b/consumer/rsocket-consumer/pom.xml
index 99a911dd..9386195c 100644
--- a/consumer/rsocket-consumer/pom.xml
+++ b/consumer/rsocket-consumer/pom.xml
@@ -7,7 +7,7 @@
 	<parent>
 		<groupId>org.springframework.cloud.fn</groupId>
 		<artifactId>spring-functions-parent</artifactId>
-		<version>4.0.0-SNAPSHOT</version>
+		<version>4.0.0-RC1</version>
 		<relativePath>../../spring-functions-parent/pom.xml</relativePath>
 	</parent>
 
diff --git a/consumer/s3-consumer/pom.xml b/consumer/s3-consumer/pom.xml
index 66e66135..b9ce49f0 100644
--- a/consumer/s3-consumer/pom.xml
+++ b/consumer/s3-consumer/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.springframework.cloud.fn</groupId>
         <artifactId>spring-functions-parent</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-RC1</version>
         <relativePath>../../spring-functions-parent/pom.xml</relativePath>
     </parent>
 
diff --git a/consumer/sftp-consumer/pom.xml b/consumer/sftp-consumer/pom.xml
index c6596300..36a22447 100644
--- a/consumer/sftp-consumer/pom.xml
+++ b/consumer/sftp-consumer/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.springframework.cloud.fn</groupId>
         <artifactId>spring-functions-parent</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-RC1</version>
         <relativePath>../../spring-functions-parent/pom.xml</relativePath>
     </parent>
 
diff --git a/consumer/tcp-consumer/pom.xml b/consumer/tcp-consumer/pom.xml
index 364e6a41..8f067fe1 100644
--- a/consumer/tcp-consumer/pom.xml
+++ b/consumer/tcp-consumer/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.springframework.cloud.fn</groupId>
         <artifactId>spring-functions-parent</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-RC1</version>
         <relativePath>../../spring-functions-parent/pom.xml</relativePath>
     </parent>
 
diff --git a/consumer/twitter-consumer/pom.xml b/consumer/twitter-consumer/pom.xml
index 49756df7..be47d801 100644
--- a/consumer/twitter-consumer/pom.xml
+++ b/consumer/twitter-consumer/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.springframework.cloud.fn</groupId>
         <artifactId>spring-functions-parent</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-RC1</version>
         <relativePath>../../spring-functions-parent/pom.xml</relativePath>
     </parent>
 
diff --git a/consumer/wavefront-consumer/pom.xml b/consumer/wavefront-consumer/pom.xml
index 99ff420c..96e055fb 100644
--- a/consumer/wavefront-consumer/pom.xml
+++ b/consumer/wavefront-consumer/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>org.springframework.cloud.fn</groupId>
 		<artifactId>spring-functions-parent</artifactId>
-		<version>4.0.0-SNAPSHOT</version>
+		<version>4.0.0-RC1</version>
 		<relativePath>../../spring-functions-parent/pom.xml</relativePath>
 	</parent>
 
diff --git a/consumer/websocket-consumer/pom.xml b/consumer/websocket-consumer/pom.xml
index 6e292e96..52170ce7 100644
--- a/consumer/websocket-consumer/pom.xml
+++ b/consumer/websocket-consumer/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.springframework.cloud.fn</groupId>
         <artifactId>spring-functions-parent</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-RC1</version>
         <relativePath>../../spring-functions-parent/pom.xml</relativePath>
     </parent>
 
diff --git a/consumer/xmpp-consumer/pom.xml b/consumer/xmpp-consumer/pom.xml
index cc43a71d..73fa1434 100644
--- a/consumer/xmpp-consumer/pom.xml
+++ b/consumer/xmpp-consumer/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>org.springframework.cloud.fn</groupId>
 		<artifactId>spring-functions-parent</artifactId>
-		<version>4.0.0-SNAPSHOT</version>
+		<version>4.0.0-RC1</version>
 		<relativePath>../../spring-functions-parent/pom.xml</relativePath>
 	</parent>
 
diff --git a/consumer/zeromq-consumer/pom.xml b/consumer/zeromq-consumer/pom.xml
index 3f8ccc2f..70cc9ee7 100644
--- a/consumer/zeromq-consumer/pom.xml
+++ b/consumer/zeromq-consumer/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.springframework.cloud.fn</groupId>
         <artifactId>spring-functions-parent</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-RC1</version>
         <relativePath>../../spring-functions-parent/pom.xml</relativePath>
     </parent>
 
diff --git a/function-dependencies/pom.xml b/function-dependencies/pom.xml
index bc091083..b11c676a 100644
--- a/function-dependencies/pom.xml
+++ b/function-dependencies/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <groupId>org.springframework.cloud.stream.app</groupId>
         <artifactId>stream-applications-build</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-RC1</version>
         <relativePath>../../stream-applications-build/pom.xml</relativePath>
     </parent>
 
diff --git a/function/aggregator-function/pom.xml b/function/aggregator-function/pom.xml
index 6a8d350f..b9e0f2b9 100644
--- a/function/aggregator-function/pom.xml
+++ b/function/aggregator-function/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.springframework.cloud.fn</groupId>
         <artifactId>spring-functions-parent</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-RC1</version>
         <relativePath>../../spring-functions-parent/pom.xml</relativePath>
     </parent>
 
diff --git a/function/filter-function/pom.xml b/function/filter-function/pom.xml
index de5cc850..9f003339 100644
--- a/function/filter-function/pom.xml
+++ b/function/filter-function/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.springframework.cloud.fn</groupId>
         <artifactId>spring-functions-parent</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-RC1</version>
         <relativePath>../../spring-functions-parent/pom.xml</relativePath>
     </parent>
 
diff --git a/function/header-enricher-function/pom.xml b/function/header-enricher-function/pom.xml
index 38eb1e3f..6bba7d21 100644
--- a/function/header-enricher-function/pom.xml
+++ b/function/header-enricher-function/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.springframework.cloud.fn</groupId>
         <artifactId>spring-functions-parent</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-RC1</version>
         <relativePath>../../spring-functions-parent/pom.xml</relativePath>
     </parent>
 
diff --git a/function/header-filter-function/pom.xml b/function/header-filter-function/pom.xml
index 4c2f1324..aabd1df7 100644
--- a/function/header-filter-function/pom.xml
+++ b/function/header-filter-function/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.springframework.cloud.fn</groupId>
         <artifactId>spring-functions-parent</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-RC1</version>
         <relativePath>../../spring-functions-parent/pom.xml</relativePath>
     </parent>
 
diff --git a/function/http-request-function/pom.xml b/function/http-request-function/pom.xml
index 2fda2d5d..afd19cab 100644
--- a/function/http-request-function/pom.xml
+++ b/function/http-request-function/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.springframework.cloud.fn</groupId>
         <artifactId>spring-functions-parent</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-RC1</version>
         <relativePath>../../spring-functions-parent/pom.xml</relativePath>
     </parent>
 
diff --git a/function/image-recognition-function/pom.xml b/function/image-recognition-function/pom.xml
index 9fd33d33..a47e56a1 100644
--- a/function/image-recognition-function/pom.xml
+++ b/function/image-recognition-function/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>org.springframework.cloud.fn</groupId>
 		<artifactId>spring-functions-parent</artifactId>
-		<version>4.0.0-SNAPSHOT</version>
+		<version>4.0.0-RC1</version>
 		<relativePath>../../spring-functions-parent/pom.xml</relativePath>
 	</parent>
 
diff --git a/function/object-detection-function/pom.xml b/function/object-detection-function/pom.xml
index 0ec4fdd4..8af467f4 100644
--- a/function/object-detection-function/pom.xml
+++ b/function/object-detection-function/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>org.springframework.cloud.fn</groupId>
 		<artifactId>spring-functions-parent</artifactId>
-		<version>4.0.0-SNAPSHOT</version>
+		<version>4.0.0-RC1</version>
 		<relativePath>../../spring-functions-parent/pom.xml</relativePath>
 	</parent>
 
diff --git a/function/payload-converter-function/pom.xml b/function/payload-converter-function/pom.xml
index d359807e..ccef9af3 100644
--- a/function/payload-converter-function/pom.xml
+++ b/function/payload-converter-function/pom.xml
@@ -7,7 +7,7 @@
 	<parent>
 		<groupId>org.springframework.cloud.fn</groupId>
 		<artifactId>spring-functions-parent</artifactId>
-		<version>4.0.0-SNAPSHOT</version>
+		<version>4.0.0-RC1</version>
 		<relativePath>../../spring-functions-parent/pom.xml</relativePath>
 	</parent>
 
diff --git a/function/pom.xml b/function/pom.xml
index 1f56891f..63846c7a 100644
--- a/function/pom.xml
+++ b/function/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>org.springframework.cloud.fn</groupId>
     <artifactId>java-functions-function</artifactId>
-    <version>4.0.0-SNAPSHOT</version>
+    <version>4.0.0-RC1</version>
     <name>java-functions-function</name>
     <description>Java Functions Function</description>
     <packaging>pom</packaging>
diff --git a/function/semantic-segmentation-function/pom.xml b/function/semantic-segmentation-function/pom.xml
index ee01d3c0..493e9130 100644
--- a/function/semantic-segmentation-function/pom.xml
+++ b/function/semantic-segmentation-function/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>org.springframework.cloud.fn</groupId>
 		<artifactId>spring-functions-parent</artifactId>
-		<version>4.0.0-SNAPSHOT</version>
+		<version>4.0.0-RC1</version>
 		<relativePath>../../spring-functions-parent/pom.xml</relativePath>
 	</parent>
 
diff --git a/function/spel-function/pom.xml b/function/spel-function/pom.xml
index 23ff28fb..ee8394bc 100644
--- a/function/spel-function/pom.xml
+++ b/function/spel-function/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>org.springframework.cloud.fn</groupId>
 		<artifactId>spring-functions-parent</artifactId>
-		<version>4.0.0-SNAPSHOT</version>
+		<version>4.0.0-RC1</version>
 		<relativePath>../../spring-functions-parent/pom.xml</relativePath>
 	</parent>
 
diff --git a/function/splitter-function/pom.xml b/function/splitter-function/pom.xml
index 8bf0b7bb..7be5a000 100644
--- a/function/splitter-function/pom.xml
+++ b/function/splitter-function/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.springframework.cloud.fn</groupId>
         <artifactId>spring-functions-parent</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-RC1</version>
         <relativePath>../../spring-functions-parent/pom.xml</relativePath>
     </parent>
 
diff --git a/function/task-launch-request-function/pom.xml b/function/task-launch-request-function/pom.xml
index 737fbcc8..1817b664 100644
--- a/function/task-launch-request-function/pom.xml
+++ b/function/task-launch-request-function/pom.xml
@@ -7,7 +7,7 @@
 	<parent>
 		<groupId>org.springframework.cloud.fn</groupId>
 		<artifactId>spring-functions-parent</artifactId>
-		<version>4.0.0-SNAPSHOT</version>
+		<version>4.0.0-RC1</version>
 		<relativePath>../../spring-functions-parent/pom.xml</relativePath>
 	</parent>
 
diff --git a/function/twitter-function/pom.xml b/function/twitter-function/pom.xml
index e933a705..40fd0c4f 100644
--- a/function/twitter-function/pom.xml
+++ b/function/twitter-function/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>org.springframework.cloud.fn</groupId>
 		<artifactId>spring-functions-parent</artifactId>
-		<version>4.0.0-SNAPSHOT</version>
+		<version>4.0.0-RC1</version>
 		<relativePath>../../spring-functions-parent/pom.xml</relativePath>
 	</parent>
 
diff --git a/pom.xml b/pom.xml
index 0b8badd1..1dd5cc03 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
 	<groupId>org.springframework.cloud.fn</groupId>
 	<artifactId>java-functions-parent</artifactId>
-    <version>4.0.0-SNAPSHOT</version>
+    <version>4.0.0-RC1</version>
 	<name>java-functions-parent</name>
 	<description>Java Functions Parent</description>
 	<packaging>pom</packaging>
diff --git a/spring-functions-parent/pom.xml b/spring-functions-parent/pom.xml
index 26c6221c..4991d2ff 100644
--- a/spring-functions-parent/pom.xml
+++ b/spring-functions-parent/pom.xml
@@ -7,7 +7,7 @@
 	<parent>
     <groupId>org.springframework.cloud.stream.app</groupId>
     <artifactId>stream-applications-build</artifactId>
-    <version>4.0.0-SNAPSHOT</version>
+    <version>4.0.0-RC1</version>
     <relativePath>../../stream-applications-build/pom.xml</relativePath>
 	</parent>
 
diff --git a/supplier/debezium-supplier/pom.xml b/supplier/debezium-supplier/pom.xml
index 77a4c053..3faf5e70 100644
--- a/supplier/debezium-supplier/pom.xml
+++ b/supplier/debezium-supplier/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.springframework.cloud.fn</groupId>
         <artifactId>spring-functions-parent</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-RC1</version>
         <relativePath>../../spring-functions-parent/pom.xml</relativePath>
     </parent>
 
diff --git a/supplier/file-supplier/pom.xml b/supplier/file-supplier/pom.xml
index ed95714b..94fb33b9 100644
--- a/supplier/file-supplier/pom.xml
+++ b/supplier/file-supplier/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.springframework.cloud.fn</groupId>
         <artifactId>spring-functions-parent</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-RC1</version>
         <relativePath>../../spring-functions-parent/pom.xml</relativePath>
     </parent>
 
diff --git a/supplier/ftp-supplier/pom.xml b/supplier/ftp-supplier/pom.xml
index ada6c510..0879502e 100644
--- a/supplier/ftp-supplier/pom.xml
+++ b/supplier/ftp-supplier/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.springframework.cloud.fn</groupId>
         <artifactId>spring-functions-parent</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-RC1</version>
         <relativePath>../../spring-functions-parent/pom.xml</relativePath>
     </parent>
 
diff --git a/supplier/http-supplier/pom.xml b/supplier/http-supplier/pom.xml
index 9df5fbbc..5e427249 100644
--- a/supplier/http-supplier/pom.xml
+++ b/supplier/http-supplier/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.springframework.cloud.fn</groupId>
         <artifactId>spring-functions-parent</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-RC1</version>
         <relativePath>../../spring-functions-parent/pom.xml</relativePath>
     </parent>
 
diff --git a/supplier/jdbc-supplier/pom.xml b/supplier/jdbc-supplier/pom.xml
index 611ba203..203a65bb 100644
--- a/supplier/jdbc-supplier/pom.xml
+++ b/supplier/jdbc-supplier/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.springframework.cloud.fn</groupId>
         <artifactId>spring-functions-parent</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-RC1</version>
         <relativePath>../../spring-functions-parent/pom.xml</relativePath>
     </parent>
 
diff --git a/supplier/jms-supplier/pom.xml b/supplier/jms-supplier/pom.xml
index 96ddb8b3..00f981a2 100644
--- a/supplier/jms-supplier/pom.xml
+++ b/supplier/jms-supplier/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.springframework.cloud.fn</groupId>
 		<artifactId>spring-functions-parent</artifactId>
-		<version>4.0.0-SNAPSHOT</version>
+		<version>4.0.0-RC1</version>
 		<relativePath>../../spring-functions-parent/pom.xml</relativePath>
 	</parent>
 
diff --git a/supplier/kafka-supplier/pom.xml b/supplier/kafka-supplier/pom.xml
index d73d2849..b1e3aa58 100644
--- a/supplier/kafka-supplier/pom.xml
+++ b/supplier/kafka-supplier/pom.xml
@@ -8,7 +8,7 @@
 	<parent>
 		<groupId>org.springframework.cloud.fn</groupId>
 		<artifactId>spring-functions-parent</artifactId>
-		<version>4.0.0-SNAPSHOT</version>
+		<version>4.0.0-RC1</version>
 		<relativePath>../../spring-functions-parent/pom.xml</relativePath>
 	</parent>
 
diff --git a/supplier/mail-supplier/pom.xml b/supplier/mail-supplier/pom.xml
index e6975b42..fade2c05 100644
--- a/supplier/mail-supplier/pom.xml
+++ b/supplier/mail-supplier/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.springframework.cloud.fn</groupId>
         <artifactId>spring-functions-parent</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-RC1</version>
         <relativePath>../../spring-functions-parent/pom.xml</relativePath>
     </parent>
 
diff --git a/supplier/mongodb-supplier/pom.xml b/supplier/mongodb-supplier/pom.xml
index 0b37beca..acf7937e 100644
--- a/supplier/mongodb-supplier/pom.xml
+++ b/supplier/mongodb-supplier/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.springframework.cloud.fn</groupId>
         <artifactId>spring-functions-parent</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-RC1</version>
         <relativePath>../../spring-functions-parent/pom.xml</relativePath>
     </parent>
 
diff --git a/supplier/mqtt-supplier/pom.xml b/supplier/mqtt-supplier/pom.xml
index add0f258..f0514db8 100644
--- a/supplier/mqtt-supplier/pom.xml
+++ b/supplier/mqtt-supplier/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.springframework.cloud.fn</groupId>
         <artifactId>spring-functions-parent</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-RC1</version>
         <relativePath>../../spring-functions-parent/pom.xml</relativePath>
     </parent>
 
diff --git a/supplier/pom.xml b/supplier/pom.xml
index 8730ad68..d3852914 100644
--- a/supplier/pom.xml
+++ b/supplier/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>org.springframework.cloud.fn</groupId>
     <artifactId>java-functions-supplier</artifactId>
-    <version>4.0.0-SNAPSHOT</version>
+    <version>4.0.0-RC1</version>
     <name>java-functions-supplier</name>
     <description>Java Functions Supplier</description>
     <packaging>pom</packaging>
diff --git a/supplier/rabbit-supplier/pom.xml b/supplier/rabbit-supplier/pom.xml
index ff129204..11d04667 100644
--- a/supplier/rabbit-supplier/pom.xml
+++ b/supplier/rabbit-supplier/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.springframework.cloud.fn</groupId>
         <artifactId>spring-functions-parent</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-RC1</version>
         <relativePath>../../spring-functions-parent/pom.xml</relativePath>
     </parent>
 
diff --git a/supplier/s3-supplier/pom.xml b/supplier/s3-supplier/pom.xml
index b6cd0e7c..a2db1131 100644
--- a/supplier/s3-supplier/pom.xml
+++ b/supplier/s3-supplier/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.springframework.cloud.fn</groupId>
         <artifactId>spring-functions-parent</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-RC1</version>
         <relativePath>../../spring-functions-parent/pom.xml</relativePath>
     </parent>
 
diff --git a/supplier/sftp-supplier/pom.xml b/supplier/sftp-supplier/pom.xml
index 2f040b26..8813e3df 100644
--- a/supplier/sftp-supplier/pom.xml
+++ b/supplier/sftp-supplier/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.springframework.cloud.fn</groupId>
         <artifactId>spring-functions-parent</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-RC1</version>
         <relativePath>../../spring-functions-parent/pom.xml</relativePath>
     </parent>
 
diff --git a/supplier/syslog-supplier/pom.xml b/supplier/syslog-supplier/pom.xml
index dc6d7e97..1a0bd8a3 100644
--- a/supplier/syslog-supplier/pom.xml
+++ b/supplier/syslog-supplier/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.springframework.cloud.fn</groupId>
         <artifactId>spring-functions-parent</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-RC1</version>
         <relativePath>../../spring-functions-parent/pom.xml</relativePath>
     </parent>
 
diff --git a/supplier/tcp-supplier/pom.xml b/supplier/tcp-supplier/pom.xml
index 92823d25..20e23043 100644
--- a/supplier/tcp-supplier/pom.xml
+++ b/supplier/tcp-supplier/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.springframework.cloud.fn</groupId>
         <artifactId>spring-functions-parent</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-RC1</version>
         <relativePath>../../spring-functions-parent/pom.xml</relativePath>
     </parent>
 
diff --git a/supplier/time-supplier/pom.xml b/supplier/time-supplier/pom.xml
index be1e7804..6d1e4c2c 100644
--- a/supplier/time-supplier/pom.xml
+++ b/supplier/time-supplier/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.springframework.cloud.fn</groupId>
         <artifactId>spring-functions-parent</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-RC1</version>
         <relativePath>../../spring-functions-parent/pom.xml</relativePath>
     </parent>
 
diff --git a/supplier/twitter-supplier/pom.xml b/supplier/twitter-supplier/pom.xml
index f1707392..af956d9b 100644
--- a/supplier/twitter-supplier/pom.xml
+++ b/supplier/twitter-supplier/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.springframework.cloud.fn</groupId>
         <artifactId>spring-functions-parent</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-RC1</version>
         <relativePath>../../spring-functions-parent/pom.xml</relativePath>
     </parent>
 
diff --git a/supplier/websocket-supplier/pom.xml b/supplier/websocket-supplier/pom.xml
index 05618974..15b119f9 100644
--- a/supplier/websocket-supplier/pom.xml
+++ b/supplier/websocket-supplier/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.springframework.cloud.fn</groupId>
         <artifactId>spring-functions-parent</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-RC1</version>
         <relativePath>../../spring-functions-parent/pom.xml</relativePath>
     </parent>
 
diff --git a/supplier/xmpp-supplier/pom.xml b/supplier/xmpp-supplier/pom.xml
index cce9a457..2e5b55b9 100644
--- a/supplier/xmpp-supplier/pom.xml
+++ b/supplier/xmpp-supplier/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>org.springframework.cloud.fn</groupId>
 		<artifactId>spring-functions-parent</artifactId>
-		<version>4.0.0-SNAPSHOT</version>
+		<version>4.0.0-RC1</version>
 		<relativePath>../../spring-functions-parent/pom.xml</relativePath>
 	</parent>
 
diff --git a/supplier/zeromq-supplier/pom.xml b/supplier/zeromq-supplier/pom.xml
index d94ec6f2..2500a96e 100644
--- a/supplier/zeromq-supplier/pom.xml
+++ b/supplier/zeromq-supplier/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>org.springframework.cloud.fn</groupId>
 		<artifactId>spring-functions-parent</artifactId>
-		<version>4.0.0-SNAPSHOT</version>
+		<version>4.0.0-RC1</version>
 		<relativePath>../../spring-functions-parent/pom.xml</relativePath>
 	</parent>