diff --git a/pom.xml b/pom.xml
index dc189a1e1..bbd095630 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,11 +5,11 @@
 	<packaging>pom</packaging>
 	<name>spring-cloud-stream-release-build</name>
 	<description>Spring Cloud Stream Release Build</description>
-	<version>Fishtown.BUILD-SNAPSHOT</version>
+	<version>Fishtown.M4</version>
 	<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>
 
diff --git a/spring-cloud-stream-dependencies/pom.xml b/spring-cloud-stream-dependencies/pom.xml
index 206b81458..238e5caf1 100644
--- a/spring-cloud-stream-dependencies/pom.xml
+++ b/spring-cloud-stream-dependencies/pom.xml
@@ -4,90 +4,90 @@
     <parent>
         <artifactId>spring-cloud-dependencies-parent</artifactId>
         <groupId>org.springframework.cloud</groupId>
-        <version>2.1.0.BUILD-SNAPSHOT</version>
+        <version>2.1.0.RC1</version>
         <relativePath />
     </parent>
     <artifactId>spring-cloud-stream-dependencies</artifactId>
-    <version>Fishtown.BUILD-SNAPSHOT</version>
+    <version>Fishtown.M4</version>
     <packaging>pom</packaging>
     <name>spring-cloud-stream-dependencies</name>
     <description>Spring Cloud Stream Dependencies</description>
     <properties>
-        <spring.cloud.stream.version>2.1.0.BUILD-SNAPSHOT</spring.cloud.stream.version>
-        <spring.cloud.stream.binder.kafka.version>2.1.0.BUILD-SNAPSHOT</spring.cloud.stream.binder.kafka.version>
-        <spring.cloud.stream.binder.rabbit.version>2.1.0.BUILD-SNAPSHOT</spring.cloud.stream.binder.rabbit.version>
+        <spring-cloud-stream.version>2.1.0.M4</spring-cloud-stream.version>
+        <spring-cloud-stream-binder-kafka.version>2.1.0.M4</spring-cloud-stream-binder-kafka.version>
+        <spring-cloud-stream-binder-rabbit.version>2.1.0.M4</spring-cloud-stream-binder-rabbit.version>
     </properties>
     <dependencyManagement>
         <dependencies>
             <dependency>
                 <groupId>org.springframework.cloud</groupId>
                 <artifactId>spring-cloud-stream</artifactId>
-                <version>${spring.cloud.stream.version}</version>
+                <version>${spring-cloud-stream.version}</version>
             </dependency>
             <dependency>
                 <groupId>org.springframework.cloud</groupId>
                 <artifactId>spring-cloud-stream-reactive</artifactId>
-                <version>${spring.cloud.stream.version}</version>
+                <version>${spring-cloud-stream.version}</version>
             </dependency>
             <dependency>
                 <groupId>org.springframework.cloud</groupId>
                 <artifactId>spring-cloud-stream-schema</artifactId>
-                <version>${spring.cloud.stream.version}</version>
+                <version>${spring-cloud-stream.version}</version>
             </dependency>
             <dependency>
                 <groupId>org.springframework.cloud</groupId>
                 <artifactId>spring-cloud-stream-schema-server</artifactId>
-                <version>${spring.cloud.stream.version}</version>
+                <version>${spring-cloud-stream.version}</version>
             </dependency>
             <dependency>
                 <groupId>org.springframework.cloud</groupId>
                 <artifactId>spring-cloud-stream-binder-test</artifactId>
-                <version>${spring.cloud.stream.version}</version>
+                <version>${spring-cloud-stream.version}</version>
             </dependency>
             <dependency>
                 <groupId>org.springframework.cloud</groupId>
                 <artifactId>spring-cloud-stream-test-support</artifactId>
-                <version>${spring.cloud.stream.version}</version>
+                <version>${spring-cloud-stream.version}</version>
             </dependency>
             <dependency>
                 <groupId>org.springframework.cloud</groupId>
                 <artifactId>spring-cloud-stream-binder-kafka</artifactId>
-                <version>${spring.cloud.stream.binder.kafka.version}</version>
+                <version>${spring-cloud-stream-binder-kafka.version}</version>
             </dependency>
             <dependency>
                 <groupId>org.springframework.cloud</groupId>
                 <artifactId>spring-cloud-stream-binder-kafka-streams</artifactId>
-                <version>${spring.cloud.stream.binder.kafka.version}</version>
+                <version>${spring-cloud-stream-binder-kafka.version}</version>
             </dependency>
             <dependency>
                 <groupId>org.springframework.cloud</groupId>
                 <artifactId>spring-cloud-stream-binder-kafka-core</artifactId>
-                <version>${spring.cloud.stream.binder.kafka.version}</version>
+                <version>${spring-cloud-stream-binder-kafka.version}</version>
             </dependency>
             <dependency>
                 <groupId>org.springframework.cloud</groupId>
                 <artifactId>spring-cloud-starter-stream-kafka</artifactId>
-                <version>${spring.cloud.stream.binder.kafka.version}</version>
+                <version>${spring-cloud-stream-binder-kafka.version}</version>
             </dependency>
             <dependency>
                 <groupId>org.springframework.cloud</groupId>
                 <artifactId>spring-cloud-stream-binder-rabbit</artifactId>
-                <version>${spring.cloud.stream.binder.rabbit.version}</version>
+                <version>${spring-cloud-stream-binder-rabbit.version}</version>
             </dependency>
             <dependency>
                 <groupId>org.springframework.cloud</groupId>
                 <artifactId>spring-cloud-stream-binder-rabbit-core</artifactId>
-                <version>${spring.cloud.stream.binder.rabbit.version}</version>
+                <version>${spring-cloud-stream-binder-rabbit.version}</version>
             </dependency>
             <dependency>
                 <groupId>org.springframework.cloud</groupId>
                 <artifactId>spring-cloud-starter-stream-rabbit</artifactId>
-                <version>${spring.cloud.stream.binder.rabbit.version}</version>
+                <version>${spring-cloud-stream-binder-rabbit.version}</version>
             </dependency>
             <dependency>
                 <groupId>org.springframework.cloud</groupId>
                 <artifactId>spring-cloud-stream-binder-rabbit-test-support</artifactId>
-                <version>${spring.cloud.stream.binder.rabbit.version}</version>
+                <version>${spring-cloud-stream-binder-rabbit.version}</version>
             </dependency>
         </dependencies>
     </dependencyManagement>
diff --git a/spring-cloud-stream-docs/pom.xml b/spring-cloud-stream-docs/pom.xml
index 78ad16648..c9f5c7bc4 100644
--- a/spring-cloud-stream-docs/pom.xml
+++ b/spring-cloud-stream-docs/pom.xml
@@ -4,34 +4,34 @@
 	<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-docs</artifactId>
 	<name>spring-cloud-stream-docs</name>
 	<description>Spring Cloud Stream Docs</description>
-	<version>Fishtown.BUILD-SNAPSHOT</version>
+	<version>Fishtown.M4</version>
 	<properties>
 		<main.basedir>${basedir}/..</main.basedir>
-		<spring.cloud.stream.version>2.1.0.BUILD-SNAPSHOT</spring.cloud.stream.version>
-		<spring.cloud.stream.binder.kafka.version>2.1.0.BUILD-SNAPSHOT</spring.cloud.stream.binder.kafka.version>
-		<spring.cloud.stream.binder.rabbit.version>2.1.0.BUILD-SNAPSHOT</spring.cloud.stream.binder.rabbit.version>
+		<spring-cloud-stream.version>2.1.0.BUILD-SNAPSHOT</spring-cloud-stream.version>
+		<spring-cloud-stream-binder-kafka.version>2.1.0.BUILD-SNAPSHOT</spring-cloud-stream-binder-kafka.version>
+		<spring-cloud-stream-binder-rabbit.version>2.1.0.BUILD-SNAPSHOT</spring-cloud-stream-binder-rabbit.version>
 	</properties>
 	<dependencies>
 		<dependency>
 			<groupId>org.springframework.cloud</groupId>
 			<artifactId>spring-cloud-stream</artifactId>
-			<version>${spring.cloud.stream.version}</version>
+			<version>${spring-cloud-stream.version}</version>
 		</dependency>
 		<dependency>
 			<groupId>org.springframework.cloud</groupId>
 			<artifactId>spring-cloud-stream-binder-kafka</artifactId>
-			<version>${spring.cloud.stream.binder.kafka.version}</version>
+			<version>${spring-cloud-stream-binder-kafka.version}</version>
 		</dependency>
 		<dependency>
 			<groupId>org.springframework.cloud</groupId>
 			<artifactId>spring-cloud-stream-binder-rabbit</artifactId>
-			<version>${spring.cloud.stream.binder.rabbit.version}</version>
+			<version>${spring-cloud-stream-binder-rabbit.version}</version>
 		</dependency>
 	</dependencies>
 	<profiles>