Set version to 0.4-incubating-SNAPSHOT for the next development version.
diff --git a/buildconfigurations/pom.xml b/buildconfigurations/pom.xml
index 3dcd579..ac695e5 100644
--- a/buildconfigurations/pom.xml
+++ b/buildconfigurations/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <groupId>org.apache.tamaya</groupId>
         <artifactId>tamaya-all</artifactId>
-        <version>0.3-incubating</version>
+        <version>0.4-incubating-SNAPSHOT</version>
     </parent>
 
     <artifactId>buildconfigurations</artifactId>
diff --git a/code/api/pom.xml b/code/api/pom.xml
index 2af6ee1..d37ba4a 100644
--- a/code/api/pom.xml
+++ b/code/api/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.apache.tamaya</groupId>
         <artifactId>tamaya-code</artifactId>
-        <version>0.3-incubating</version>
+        <version>0.4-incubating-SNAPSHOT</version>
     </parent>
 
     <artifactId>tamaya-api</artifactId>
diff --git a/code/core/pom.xml b/code/core/pom.xml
index 147082f..295b521 100644
--- a/code/core/pom.xml
+++ b/code/core/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.apache.tamaya</groupId>
         <artifactId>tamaya-code</artifactId>
-        <version>0.3-incubating</version>
+        <version>0.4-incubating-SNAPSHOT</version>
     </parent>
 
     <artifactId>tamaya-core</artifactId>
diff --git a/code/pom.xml b/code/pom.xml
index c02fee1..aba365b 100644
--- a/code/pom.xml
+++ b/code/pom.xml
@@ -25,7 +25,7 @@
     <parent>
         <groupId>org.apache.tamaya</groupId>
         <artifactId>tamaya-all</artifactId>
-        <version>0.3-incubating</version>
+        <version>0.4-incubating-SNAPSHOT</version>
     </parent>
 
     <artifactId>tamaya-code</artifactId>
diff --git a/distribution/pom.xml b/distribution/pom.xml
index 56fbe8e..ed78530 100644
--- a/distribution/pom.xml
+++ b/distribution/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <groupId>org.apache.tamaya</groupId>
         <artifactId>tamaya-all</artifactId>
-        <version>0.3-incubating</version>
+        <version>0.4-incubating-SNAPSHOT</version>
     </parent>
 
     <artifactId>tamaya-distribution</artifactId>
diff --git a/examples/01-minimal/pom.xml b/examples/01-minimal/pom.xml
index 52a1b32..e1d8a71 100644
--- a/examples/01-minimal/pom.xml
+++ b/examples/01-minimal/pom.xml
@@ -25,12 +25,12 @@
     <parent>
         <groupId>org.apache.tamaya.examples</groupId>
         <artifactId>examples</artifactId>
-        <version>0.3-incubating</version>
+        <version>0.4-incubating-SNAPSHOT</version>
     </parent>
 
     <groupId>org.apache.tamaya.examples</groupId>
     <artifactId>01-minimal</artifactId>
-    <version>0.3-incubating</version>
+    <version>0.4-incubating-SNAPSHOT</version>
 
     <name>Apache Tamaya Minimal Example</name>
 
diff --git a/examples/02-custom-property-source/pom.xml b/examples/02-custom-property-source/pom.xml
index fc664b2..4fe43b4 100644
--- a/examples/02-custom-property-source/pom.xml
+++ b/examples/02-custom-property-source/pom.xml
@@ -25,7 +25,7 @@
     <parent>
         <groupId>org.apache.tamaya.examples</groupId>
         <artifactId>examples</artifactId>
-        <version>0.3-incubating</version>
+        <version>0.4-incubating-SNAPSHOT</version>
     </parent>
 
     <artifactId>02-custom-property-source</artifactId>
diff --git a/examples/pom.xml b/examples/pom.xml
index 9372266..0a2e67f 100644
--- a/examples/pom.xml
+++ b/examples/pom.xml
@@ -25,13 +25,13 @@
     <parent>
         <groupId>org.apache.tamaya</groupId>
         <artifactId>tamaya-all</artifactId>
-        <version>0.3-incubating</version>
+        <version>0.4-incubating-SNAPSHOT</version>
     </parent>
 
 
     <groupId>org.apache.tamaya.examples</groupId>
     <artifactId>examples</artifactId>
-    <version>0.3-incubating</version>
+    <version>0.4-incubating-SNAPSHOT</version>
 
     <name>Apache Tamaya Core Examples</name>
 
diff --git a/pom.xml b/pom.xml
index fcb62cb..c9cba10 100644
--- a/pom.xml
+++ b/pom.xml
@@ -19,7 +19,7 @@
     </parent>
     <groupId>org.apache.tamaya</groupId>
     <artifactId>tamaya-all</artifactId>
-    <version>0.3-incubating</version>
+    <version>0.4-incubating-SNAPSHOT</version>
     <packaging>pom</packaging>
 
     <name>Apache Tamaya Base</name>