diff --git a/akka-samples/akka-sample-camel-java/build.sbt b/akka-samples/akka-sample-camel-java/build.sbt
index f9cec2be6b..7cb59a85ec 100644
--- a/akka-samples/akka-sample-camel-java/build.sbt
+++ b/akka-samples/akka-sample-camel-java/build.sbt
@@ -1,6 +1,6 @@
 name := "akka-sample-camel-java"
 
-version := "2.3-SNAPSHOT"
+version := "2.4-SNAPSHOT"
 
 scalaVersion := "2.10.4"
 
diff --git a/akka-samples/akka-sample-camel-scala/build.sbt b/akka-samples/akka-sample-camel-scala/build.sbt
index 829a38cb39..0494b00501 100644
--- a/akka-samples/akka-sample-camel-scala/build.sbt
+++ b/akka-samples/akka-sample-camel-scala/build.sbt
@@ -1,6 +1,6 @@
 name := "akka-sample-camel-scala"
 
-version := "2.3-SNAPSHOT"
+version := "2.4-SNAPSHOT"
 
 scalaVersion := "2.10.4"
 
diff --git a/akka-samples/akka-sample-cluster-java/build.sbt b/akka-samples/akka-sample-cluster-java/build.sbt
index ad6c07972b..404c6f130b 100644
--- a/akka-samples/akka-sample-cluster-java/build.sbt
+++ b/akka-samples/akka-sample-cluster-java/build.sbt
@@ -8,7 +8,7 @@ val project = Project(
   base = file("."),
   settings = Project.defaultSettings ++ SbtMultiJvm.multiJvmSettings ++ Seq(
     name := "akka-sample-cluster-java",
-    version := "2.3-SNAPSHOT",
+    version := "2.4-SNAPSHOT",
     scalaVersion := "2.10.4",
     scalacOptions in Compile ++= Seq("-encoding", "UTF-8", "-target:jvm-1.6", "-deprecation", "-feature", "-unchecked", "-Xlog-reflective-calls", "-Xlint"),
     javacOptions in Compile ++= Seq("-source", "1.6", "-target", "1.6", "-Xlint:unchecked", "-Xlint:deprecation"),
diff --git a/akka-samples/akka-sample-cluster-scala/build.sbt b/akka-samples/akka-sample-cluster-scala/build.sbt
index 21ba97957d..24e9d0b296 100644
--- a/akka-samples/akka-sample-cluster-scala/build.sbt
+++ b/akka-samples/akka-sample-cluster-scala/build.sbt
@@ -8,7 +8,7 @@ val project = Project(
   base = file("."),
   settings = Project.defaultSettings ++ SbtMultiJvm.multiJvmSettings ++ Seq(
     name := "akka-sample-cluster-scala",
-    version := "2.3-SNAPSHOT",
+    version := "2.4-SNAPSHOT",
     scalaVersion := "2.10.4",
     scalacOptions in Compile ++= Seq("-encoding", "UTF-8", "-target:jvm-1.6", "-deprecation", "-feature", "-unchecked", "-Xlog-reflective-calls", "-Xlint"),
     javacOptions in Compile ++= Seq("-source", "1.6", "-target", "1.6", "-Xlint:unchecked", "-Xlint:deprecation"),
diff --git a/akka-samples/akka-sample-fsm-java-lambda/build.sbt b/akka-samples/akka-sample-fsm-java-lambda/build.sbt
index efcd94cf42..890d2758cd 100644
--- a/akka-samples/akka-sample-fsm-java-lambda/build.sbt
+++ b/akka-samples/akka-sample-fsm-java-lambda/build.sbt
@@ -1,6 +1,6 @@
 name := "akka-docs-java-lambda"
 
-version := "2.3-SNAPSHOT"
+version := "2.4-SNAPSHOT"
 
 scalaVersion := "2.10.4"
 
diff --git a/akka-samples/akka-sample-fsm-java-lambda/pom.xml b/akka-samples/akka-sample-fsm-java-lambda/pom.xml
index 741b95ae0b..f0194415c4 100644
--- a/akka-samples/akka-sample-fsm-java-lambda/pom.xml
+++ b/akka-samples/akka-sample-fsm-java-lambda/pom.xml
@@ -11,7 +11,7 @@
   <groupId>sample</groupId>
   <artifactId>akka-sample-fsm-java-lambda</artifactId>
   <packaging>jar</packaging>
-  <version>2.3-SNAPSHOT</version>
+  <version>2.4-SNAPSHOT</version>
 
   <dependencies>
     <dependency>
diff --git a/akka-samples/akka-sample-fsm-scala/build.sbt b/akka-samples/akka-sample-fsm-scala/build.sbt
index cf6262a2ce..07e58a8235 100644
--- a/akka-samples/akka-sample-fsm-scala/build.sbt
+++ b/akka-samples/akka-sample-fsm-scala/build.sbt
@@ -1,6 +1,6 @@
 name := "akka-sample-fsm-scala"
 
-version := "2.3-SNAPSHOT"
+version := "2.4-SNAPSHOT"
 
 scalaVersion := "2.10.4"
 
diff --git a/akka-samples/akka-sample-main-java/build.sbt b/akka-samples/akka-sample-main-java/build.sbt
index 3f5b41d638..6faa4607e1 100644
--- a/akka-samples/akka-sample-main-java/build.sbt
+++ b/akka-samples/akka-sample-main-java/build.sbt
@@ -1,6 +1,6 @@
 name := "akka-sample-main-java"
 
-version := "2.3-SNAPSHOT"
+version := "2.4-SNAPSHOT"
 
 scalaVersion := "2.10.4"
 
diff --git a/akka-samples/akka-sample-main-scala/build.sbt b/akka-samples/akka-sample-main-scala/build.sbt
index 29b2b99438..33a8fa933c 100644
--- a/akka-samples/akka-sample-main-scala/build.sbt
+++ b/akka-samples/akka-sample-main-scala/build.sbt
@@ -1,6 +1,6 @@
 name := "akka-sample-main-scala"
 
-version := "2.3-SNAPSHOT"
+version := "2.4-SNAPSHOT"
 
 scalaVersion := "2.10.4"
 
diff --git a/akka-samples/akka-sample-multi-node-scala/build.sbt b/akka-samples/akka-sample-multi-node-scala/build.sbt
index 8e9e310f2c..a93fc3d4d8 100644
--- a/akka-samples/akka-sample-multi-node-scala/build.sbt
+++ b/akka-samples/akka-sample-multi-node-scala/build.sbt
@@ -8,7 +8,7 @@ val project = Project(
   base = file("."),
   settings = Project.defaultSettings ++ SbtMultiJvm.multiJvmSettings ++ Seq(
     name := "akka-sample-multi-node-scala",
-    version := "2.3-SNAPSHOT",
+    version := "2.4-SNAPSHOT",
     scalaVersion := "2.10.4",
     libraryDependencies ++= Seq(
       "com.typesafe.akka" %% "akka-remote" % akkaVersion,
diff --git a/akka-samples/akka-sample-persistence-java-lambda/pom.xml b/akka-samples/akka-sample-persistence-java-lambda/pom.xml
index b1e4d0327e..e4e2007c3c 100644
--- a/akka-samples/akka-sample-persistence-java-lambda/pom.xml
+++ b/akka-samples/akka-sample-persistence-java-lambda/pom.xml
@@ -11,7 +11,7 @@
     <groupId>sample</groupId>
     <artifactId>akka-sample-persistence-java8</artifactId>
     <packaging>jar</packaging>
-    <version>2.3-SNAPSHOT</version>
+    <version>2.4-SNAPSHOT</version>
 
     <dependencies>
         <dependency>
diff --git a/akka-samples/akka-sample-persistence-java/build.sbt b/akka-samples/akka-sample-persistence-java/build.sbt
index 0f1529364c..70593488c5 100644
--- a/akka-samples/akka-sample-persistence-java/build.sbt
+++ b/akka-samples/akka-sample-persistence-java/build.sbt
@@ -1,6 +1,6 @@
 name := "akka-sample-persistence-java"
 
-version := "2.3-SNAPSHOT"
+version := "2.4-SNAPSHOT"
 
 scalaVersion := "2.10.4"
 
diff --git a/akka-samples/akka-sample-persistence-scala/build.sbt b/akka-samples/akka-sample-persistence-scala/build.sbt
index ba6ee2091f..3d2d9e3ee1 100644
--- a/akka-samples/akka-sample-persistence-scala/build.sbt
+++ b/akka-samples/akka-sample-persistence-scala/build.sbt
@@ -1,6 +1,6 @@
 name := "akka-sample-persistence-scala"
 
-version := "2.3-SNAPSHOT"
+version := "2.4-SNAPSHOT"
 
 scalaVersion := "2.10.4"
 
diff --git a/akka-samples/akka-sample-remote-java/build.sbt b/akka-samples/akka-sample-remote-java/build.sbt
index 91b2b1ce82..0c4fd64415 100644
--- a/akka-samples/akka-sample-remote-java/build.sbt
+++ b/akka-samples/akka-sample-remote-java/build.sbt
@@ -1,6 +1,6 @@
 name := "akka-sample-remote-java"
 
-version := "2.3-SNAPSHOT"
+version := "2.4-SNAPSHOT"
 
 scalaVersion := "2.10.4"
 
diff --git a/akka-samples/akka-sample-remote-scala/build.sbt b/akka-samples/akka-sample-remote-scala/build.sbt
index e71b607744..9cef0e22a4 100644
--- a/akka-samples/akka-sample-remote-scala/build.sbt
+++ b/akka-samples/akka-sample-remote-scala/build.sbt
@@ -1,6 +1,6 @@
 name := "akka-sample-remote-scala"
 
-version := "2.3-SNAPSHOT"
+version := "2.4-SNAPSHOT"
 
 scalaVersion := "2.10.4"