diff --git a/core-cpp/pom.xml b/core-cpp/pom.xml
index c863fc96..3eb58c77 100644
--- a/core-cpp/pom.xml
+++ b/core-cpp/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>org.ode4j</groupId>
 		<artifactId>parent</artifactId>
-		<version>0.4.0</version>
+		<version>0.4.1-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>core-cpp</artifactId>
diff --git a/core/pom.xml b/core/pom.xml
index 953e3660..9f8264d1 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>org.ode4j</groupId>
 		<artifactId>parent</artifactId>
-		<version>0.4.0</version>
+		<version>0.4.1-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>core</artifactId>
diff --git a/demo-cpp/pom.xml b/demo-cpp/pom.xml
index ec208cf1..a2b72f48 100644
--- a/demo-cpp/pom.xml
+++ b/demo-cpp/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>org.ode4j</groupId>
 		<artifactId>parent</artifactId>
-		<version>0.4.0</version>
+		<version>0.4.1-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>demo-cpp</artifactId>
diff --git a/demo/pom.xml b/demo/pom.xml
index 6a242c0c..31b3c0e9 100644
--- a/demo/pom.xml
+++ b/demo/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.ode4j</groupId>
 		<artifactId>parent</artifactId>
-		<version>0.4.0</version>
+		<version>0.4.1-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>demo</artifactId>
diff --git a/pom.xml b/pom.xml
index 7033c23b..8b4d8262 100644
--- a/pom.xml
+++ b/pom.xml
@@ -11,7 +11,7 @@
 
 	<groupId>org.ode4j</groupId>
 	<artifactId>parent</artifactId>
-	<version>0.4.0</version>
+	<version>0.4.1-SNAPSHOT</version>
 	<packaging>pom</packaging>
 
 	<modules>