diff --git a/pom.xml b/pom.xml
index 3fe125e67..08826a24f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -3,12 +3,12 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>spring-cloud-stream-parent</artifactId>
-    <version>2.1.0.BUILD-SNAPSHOT</version>
+    <version>2.1.0.M4</version>
     <packaging>pom</packaging>
     <parent>
         <groupId>org.springframework.cloud</groupId>
         <artifactId>spring-cloud-build</artifactId>
-        <version>2.1.0.BUILD-SNAPSHOT</version>
+        <version>2.1.0.RC1</version>
         <relativePath/>
     </parent>
     <scm>
diff --git a/spring-cloud-stream-binder-test/pom.xml b/spring-cloud-stream-binder-test/pom.xml
index 58ddbc4ce..14b187378 100644
--- a/spring-cloud-stream-binder-test/pom.xml
+++ b/spring-cloud-stream-binder-test/pom.xml
@@ -11,7 +11,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-stream-parent</artifactId>
-		<version>2.1.0.BUILD-SNAPSHOT</version>
+		<version>2.1.0.M4</version>
 	</parent>
 
 	<dependencies>
diff --git a/spring-cloud-stream-core-docs/pom.xml b/spring-cloud-stream-core-docs/pom.xml
index a5d6b98b6..391bafae6 100644
--- a/spring-cloud-stream-core-docs/pom.xml
+++ b/spring-cloud-stream-core-docs/pom.xml
@@ -4,7 +4,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-stream-parent</artifactId>
-		<version>2.1.0.BUILD-SNAPSHOT</version>
+		<version>2.1.0.M4</version>
 	</parent>
 	<artifactId>spring-cloud-stream-core-docs</artifactId>
 	<name>spring-cloud-stream-core-docs</name>
diff --git a/spring-cloud-stream-integration-tests/pom.xml b/spring-cloud-stream-integration-tests/pom.xml
index 59eaa31e3..81281a310 100644
--- a/spring-cloud-stream-integration-tests/pom.xml
+++ b/spring-cloud-stream-integration-tests/pom.xml
@@ -11,7 +11,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-stream-parent</artifactId>
-		<version>2.1.0.BUILD-SNAPSHOT</version>
+		<version>2.1.0.M4</version>
 	</parent>
 
 	<dependencies>
diff --git a/spring-cloud-stream-reactive/pom.xml b/spring-cloud-stream-reactive/pom.xml
index af60a8dc7..f130d39d3 100644
--- a/spring-cloud-stream-reactive/pom.xml
+++ b/spring-cloud-stream-reactive/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-stream-parent</artifactId>
-		<version>2.1.0.BUILD-SNAPSHOT</version>
+		<version>2.1.0.M4</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 
diff --git a/spring-cloud-stream-schema-server/pom.xml b/spring-cloud-stream-schema-server/pom.xml
index 2ba63359f..0aa7353fd 100644
--- a/spring-cloud-stream-schema-server/pom.xml
+++ b/spring-cloud-stream-schema-server/pom.xml
@@ -7,7 +7,7 @@
 	<parent>
 		<artifactId>spring-cloud-stream-parent</artifactId>
 		<groupId>org.springframework.cloud</groupId>
-		<version>2.1.0.BUILD-SNAPSHOT</version>
+		<version>2.1.0.M4</version>
 	</parent>
 
 	<dependencies>
diff --git a/spring-cloud-stream-schema/pom.xml b/spring-cloud-stream-schema/pom.xml
index b0e554503..f7dc2e26b 100644
--- a/spring-cloud-stream-schema/pom.xml
+++ b/spring-cloud-stream-schema/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<artifactId>spring-cloud-stream-parent</artifactId>
 		<groupId>org.springframework.cloud</groupId>
-		<version>2.1.0.BUILD-SNAPSHOT</version>
+		<version>2.1.0.M4</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 
diff --git a/spring-cloud-stream-test-support-internal/pom.xml b/spring-cloud-stream-test-support-internal/pom.xml
index c10246b61..da8882bdd 100644
--- a/spring-cloud-stream-test-support-internal/pom.xml
+++ b/spring-cloud-stream-test-support-internal/pom.xml
@@ -4,7 +4,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-stream-parent</artifactId>
-		<version>2.1.0.BUILD-SNAPSHOT</version>
+		<version>2.1.0.M4</version>
 	</parent>
 	<artifactId>spring-cloud-stream-test-support-internal</artifactId>
 	<description>Set of classes and utility code that may assist in testing both
diff --git a/spring-cloud-stream-test-support/pom.xml b/spring-cloud-stream-test-support/pom.xml
index b8b481609..29c6367d8 100644
--- a/spring-cloud-stream-test-support/pom.xml
+++ b/spring-cloud-stream-test-support/pom.xml
@@ -4,7 +4,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-stream-parent</artifactId>
-		<version>2.1.0.BUILD-SNAPSHOT</version>
+		<version>2.1.0.M4</version>
 	</parent>
 	<artifactId>spring-cloud-stream-test-support</artifactId>
 	<description>A set of classes to ease testing of Spring Cloud Stream modules.</description>
diff --git a/spring-cloud-stream-tools/pom.xml b/spring-cloud-stream-tools/pom.xml
index 089a49c0b..77018403f 100644
--- a/spring-cloud-stream-tools/pom.xml
+++ b/spring-cloud-stream-tools/pom.xml
@@ -4,12 +4,12 @@
     <parent>
         <groupId>org.springframework.cloud</groupId>
         <artifactId>spring-cloud-build</artifactId>
-        <version>2.1.0.BUILD-SNAPSHOT</version>
+        <version>2.1.0.RC1</version>
         <relativePath />
     </parent>
 
     <artifactId>spring-cloud-stream-tools</artifactId>
-    <version>2.1.0.BUILD-SNAPSHOT</version>
+    <version>2.1.0.M4</version>
     <name>spring-cloud-stream-build-tools</name>
     <description>Spring Cloud Stream Build Tools</description>
 
diff --git a/spring-cloud-stream/pom.xml b/spring-cloud-stream/pom.xml
index b42cbd0db..515a4e4a1 100644
--- a/spring-cloud-stream/pom.xml
+++ b/spring-cloud-stream/pom.xml
@@ -10,7 +10,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-stream-parent</artifactId>
-		<version>2.1.0.BUILD-SNAPSHOT</version>
+		<version>2.1.0.M4</version>
 	</parent>
 
 	<dependencies>