diff --git a/helloworld/pom.xml b/helloworld/pom.xml
index 3058b1c..06533f4 100644
--- a/helloworld/pom.xml
+++ b/helloworld/pom.xml
@@ -5,7 +5,7 @@
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.springframework.samples.spring</groupId>
 	<artifactId>spring-rabbit-helloworld</artifactId>
-	<version>2.0.5.RELEASE</version>
+	<version>2.1.0.M1</version>
 	<packaging>jar</packaging>
 	<name>Spring AMQP Hello World</name>
 	<url>http://www.spring.io</url>
@@ -17,7 +17,7 @@
 	<properties>
 		<maven.test.failure.ignore>true</maven.test.failure.ignore>
 		<spring.framework.version>4.3.9.RELEASE</spring.framework.version>
-		<spring.amqp.version>2.0.5.RELEASE</spring.amqp.version>
+		<spring.amqp.version>2.1.0.M1</spring.amqp.version>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<java.version>1.8</java.version>
 	</properties>
diff --git a/log4j2/pom.xml b/log4j2/pom.xml
index 3d697c3..3e7b2a8 100644
--- a/log4j2/pom.xml
+++ b/log4j2/pom.xml
@@ -5,7 +5,7 @@
 
 	<groupId>org.springframework.amqp.samples</groupId>
 	<artifactId>log4j2</artifactId>
-	<version>2.0.5.RELEASE</version>
+	<version>2.1.0.M1</version>
 	<packaging>jar</packaging>
 
 	<name>log4j2</name>
diff --git a/pom.xml b/pom.xml
index 49b00dd..727f2c7 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
 	<groupId>org.springframework.amqp</groupId>
 	<artifactId>spring-amqp-samples</artifactId>
 	<name>Spring AMQP Samples</name>
-	<version>2.0.5.RELEASE</version>
+	<version>2.1.0.M1</version>
 	<packaging>pom</packaging>
 	<modules>
 		<module>helloworld</module>
diff --git a/spring-rabbit-confirms-returns/pom.xml b/spring-rabbit-confirms-returns/pom.xml
index bde3cd2..f90e724 100644
--- a/spring-rabbit-confirms-returns/pom.xml
+++ b/spring-rabbit-confirms-returns/pom.xml
@@ -5,7 +5,7 @@
 
 	<groupId>org.springframework.amqp.samples</groupId>
 	<artifactId>spring-rabbit-confirms-returns</artifactId>
-	<version>2.0.5.RELEASE</version>
+	<version>2.1.0.M1</version>
 	<packaging>jar</packaging>
 
 	<name>spring-rabbit-confirms-returns</name>
diff --git a/spring-rabbit-global-errorhandler/pom.xml b/spring-rabbit-global-errorhandler/pom.xml
index 00533c7..17b0e76 100644
--- a/spring-rabbit-global-errorhandler/pom.xml
+++ b/spring-rabbit-global-errorhandler/pom.xml
@@ -5,7 +5,7 @@
 
 	<groupId>com.example</groupId>
 	<artifactId>spring-rabbit-global-errorhandler</artifactId>
-	<version>2.0.5.RELEASE</version>
+	<version>2.1.0.M1</version>
 	<packaging>jar</packaging>
 
 	<name>spring-rabbit-global-errorhandler</name>
diff --git a/spring-rabbit-json/pom.xml b/spring-rabbit-json/pom.xml
index 1ad3cce..3712f5b 100644
--- a/spring-rabbit-json/pom.xml
+++ b/spring-rabbit-json/pom.xml
@@ -5,7 +5,7 @@
 
 	<groupId>com.example</groupId>
 	<artifactId>spring-rabbit-json</artifactId>
-	<version>2.0.5.RELEASE</version>
+	<version>2.1.0.M1</version>
 	<packaging>jar</packaging>
 
 	<name>spring-rabbit-json</name>
diff --git a/stocks/pom.xml b/stocks/pom.xml
index a53379a..2a7212c 100644
--- a/stocks/pom.xml
+++ b/stocks/pom.xml
@@ -4,7 +4,7 @@
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.springframework.samples.spring</groupId>
 	<artifactId>spring-rabbit-stocks</artifactId>
-	<version>2.0.5.RELEASE</version>
+	<version>2.1.0.M1</version>
 	<packaging>war</packaging>
 	<name>Spring Rabbit Stocks</name>
 	<url>http://www.spring.io</url>
@@ -16,7 +16,7 @@
 	<properties>
 		<maven.test.failure.ignore>true</maven.test.failure.ignore>
 		<spring.framework.version>4.3.9.RELEASE</spring.framework.version>
-		<spring.amqp.version>2.0.5.RELEASE</spring.amqp.version>
+		<spring.amqp.version>2.1.0.M1</spring.amqp.version>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<java.version>1.8</java.version>
 	</properties>