diff --git a/ci/taskana-sonar-test-coverage/pom.xml b/ci/taskana-sonar-test-coverage/pom.xml
index 50a6b19e6..4a5ba850e 100644
--- a/ci/taskana-sonar-test-coverage/pom.xml
+++ b/ci/taskana-sonar-test-coverage/pom.xml
@@ -11,7 +11,7 @@
   <parent>
     <groupId>pro.taskana</groupId>
     <artifactId>taskana-parent</artifactId>
-    <version>6.3.1-SNAPSHOT</version>
+    <version>6.4.0-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/common/pom.xml b/common/pom.xml
index 45a11dc78..191a2e929 100644
--- a/common/pom.xml
+++ b/common/pom.xml
@@ -12,7 +12,7 @@
   <parent>
     <groupId>pro.taskana</groupId>
     <artifactId>taskana-parent</artifactId>
-    <version>6.3.1-SNAPSHOT</version>
+    <version>6.4.0-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/common/taskana-common-data/pom.xml b/common/taskana-common-data/pom.xml
index f0782329a..8445527e5 100644
--- a/common/taskana-common-data/pom.xml
+++ b/common/taskana-common-data/pom.xml
@@ -10,7 +10,7 @@
   <parent>
     <groupId>pro.taskana</groupId>
     <artifactId>taskana-common-parent</artifactId>
-    <version>6.3.1-SNAPSHOT</version>
+    <version>6.4.0-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/common/taskana-common-logging/pom.xml b/common/taskana-common-logging/pom.xml
index 8a797dce2..b567b2887 100644
--- a/common/taskana-common-logging/pom.xml
+++ b/common/taskana-common-logging/pom.xml
@@ -11,7 +11,7 @@
   <parent>
     <groupId>pro.taskana</groupId>
     <artifactId>taskana-common-parent</artifactId>
-    <version>6.3.1-SNAPSHOT</version>
+    <version>6.4.0-SNAPSHOT</version>
   </parent>
 
   <dependencies>
diff --git a/common/taskana-common-security/pom.xml b/common/taskana-common-security/pom.xml
index eaf221f33..c138dde12 100644
--- a/common/taskana-common-security/pom.xml
+++ b/common/taskana-common-security/pom.xml
@@ -11,7 +11,7 @@
   <parent>
     <groupId>pro.taskana</groupId>
     <artifactId>taskana-common-parent</artifactId>
-    <version>6.3.1-SNAPSHOT</version>
+    <version>6.4.0-SNAPSHOT</version>
   </parent>
 
   <properties>
diff --git a/common/taskana-common-test/pom.xml b/common/taskana-common-test/pom.xml
index 39e5200ed..51f1f69d4 100644
--- a/common/taskana-common-test/pom.xml
+++ b/common/taskana-common-test/pom.xml
@@ -11,7 +11,7 @@
   <parent>
     <groupId>pro.taskana</groupId>
     <artifactId>taskana-common-parent</artifactId>
-    <version>6.3.1-SNAPSHOT</version>
+    <version>6.4.0-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/common/taskana-common/pom.xml b/common/taskana-common/pom.xml
index 272c57376..e44249a0d 100644
--- a/common/taskana-common/pom.xml
+++ b/common/taskana-common/pom.xml
@@ -11,7 +11,7 @@
   <parent>
     <groupId>pro.taskana</groupId>
     <artifactId>taskana-common-parent</artifactId>
-    <version>6.3.1-SNAPSHOT</version>
+    <version>6.4.0-SNAPSHOT</version>
   </parent>
 
   <dependencies>
diff --git a/history/pom.xml b/history/pom.xml
index a4aff15d9..745fba1e2 100644
--- a/history/pom.xml
+++ b/history/pom.xml
@@ -12,7 +12,7 @@
   <parent>
     <groupId>pro.taskana</groupId>
     <artifactId>taskana-parent</artifactId>
-    <version>6.3.1-SNAPSHOT</version>
+    <version>6.4.0-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/history/taskana-loghistory-provider/pom.xml b/history/taskana-loghistory-provider/pom.xml
index 26fae9a68..df0861658 100644
--- a/history/taskana-loghistory-provider/pom.xml
+++ b/history/taskana-loghistory-provider/pom.xml
@@ -11,7 +11,7 @@
   <parent>
     <groupId>pro.taskana.history</groupId>
     <artifactId>taskana-history-parent</artifactId>
-    <version>6.3.1-SNAPSHOT</version>
+    <version>6.4.0-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/history/taskana-simplehistory-provider/pom.xml b/history/taskana-simplehistory-provider/pom.xml
index 0e51d02fc..ff7282c42 100644
--- a/history/taskana-simplehistory-provider/pom.xml
+++ b/history/taskana-simplehistory-provider/pom.xml
@@ -11,7 +11,7 @@
   <parent>
     <groupId>pro.taskana.history</groupId>
     <artifactId>taskana-history-parent</artifactId>
-    <version>6.3.1-SNAPSHOT</version>
+    <version>6.4.0-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/history/taskana-simplehistory-rest-spring/pom.xml b/history/taskana-simplehistory-rest-spring/pom.xml
index b0c99c34f..b42052739 100644
--- a/history/taskana-simplehistory-rest-spring/pom.xml
+++ b/history/taskana-simplehistory-rest-spring/pom.xml
@@ -11,7 +11,7 @@
   <parent>
     <groupId>pro.taskana.history</groupId>
     <artifactId>taskana-history-parent</artifactId>
-    <version>6.3.1-SNAPSHOT</version>
+    <version>6.4.0-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/lib/pom.xml b/lib/pom.xml
index 180fa1c58..1b1d402c8 100644
--- a/lib/pom.xml
+++ b/lib/pom.xml
@@ -12,7 +12,7 @@
   <parent>
     <groupId>pro.taskana</groupId>
     <artifactId>taskana-parent</artifactId>
-    <version>6.3.1-SNAPSHOT</version>
+    <version>6.4.0-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/lib/taskana-cdi-example/pom.xml b/lib/taskana-cdi-example/pom.xml
index 476b1af95..21b25283d 100644
--- a/lib/taskana-cdi-example/pom.xml
+++ b/lib/taskana-cdi-example/pom.xml
@@ -11,7 +11,7 @@
   <parent>
     <groupId>pro.taskana</groupId>
     <artifactId>taskana-lib-parent</artifactId>
-    <version>6.3.1-SNAPSHOT</version>
+    <version>6.4.0-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/lib/taskana-cdi/pom.xml b/lib/taskana-cdi/pom.xml
index 64cfa78a9..6c3aa7afd 100644
--- a/lib/taskana-cdi/pom.xml
+++ b/lib/taskana-cdi/pom.xml
@@ -10,7 +10,7 @@
   <parent>
     <groupId>pro.taskana</groupId>
     <artifactId>taskana-lib-parent</artifactId>
-    <version>6.3.1-SNAPSHOT</version>
+    <version>6.4.0-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/lib/taskana-core-test/pom.xml b/lib/taskana-core-test/pom.xml
index 1b4e05be0..507cb6486 100644
--- a/lib/taskana-core-test/pom.xml
+++ b/lib/taskana-core-test/pom.xml
@@ -10,7 +10,7 @@
   <parent>
     <groupId>pro.taskana</groupId>
     <artifactId>taskana-lib-parent</artifactId>
-    <version>6.3.1-SNAPSHOT</version>
+    <version>6.4.0-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/lib/taskana-core/pom.xml b/lib/taskana-core/pom.xml
index 842300e38..4f399e2ec 100644
--- a/lib/taskana-core/pom.xml
+++ b/lib/taskana-core/pom.xml
@@ -10,7 +10,7 @@
   <parent>
     <groupId>pro.taskana</groupId>
     <artifactId>taskana-lib-parent</artifactId>
-    <version>6.3.1-SNAPSHOT</version>
+    <version>6.4.0-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/lib/taskana-spring-example/pom.xml b/lib/taskana-spring-example/pom.xml
index 19b463100..2e05bc10c 100644
--- a/lib/taskana-spring-example/pom.xml
+++ b/lib/taskana-spring-example/pom.xml
@@ -10,7 +10,7 @@
   <parent>
     <groupId>pro.taskana</groupId>
     <artifactId>taskana-lib-parent</artifactId>
-    <version>6.3.1-SNAPSHOT</version>
+    <version>6.4.0-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/lib/taskana-spring/pom.xml b/lib/taskana-spring/pom.xml
index 5e81f24a5..0f6660a1d 100644
--- a/lib/taskana-spring/pom.xml
+++ b/lib/taskana-spring/pom.xml
@@ -10,7 +10,7 @@
   <parent>
     <groupId>pro.taskana</groupId>
     <artifactId>taskana-lib-parent</artifactId>
-    <version>6.3.1-SNAPSHOT</version>
+    <version>6.4.0-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/lib/taskana-test-api/pom.xml b/lib/taskana-test-api/pom.xml
index 1edeb8e95..e73447eb5 100644
--- a/lib/taskana-test-api/pom.xml
+++ b/lib/taskana-test-api/pom.xml
@@ -9,7 +9,7 @@
   <parent>
     <groupId>pro.taskana</groupId>
     <artifactId>taskana-lib-parent</artifactId>
-    <version>6.3.1-SNAPSHOT</version>
+    <version>6.4.0-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/pom.xml b/pom.xml
index ada08fd67..c796f133f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>pro.taskana</groupId>
   <artifactId>taskana-parent</artifactId>
-  <version>6.3.1-SNAPSHOT</version>
+  <version>6.4.0-SNAPSHOT</version>
   <packaging>pom</packaging>
 
   <name>${project.groupId}:${project.artifactId}</name>
diff --git a/rest/pom.xml b/rest/pom.xml
index 41896de29..26b1b65c4 100644
--- a/rest/pom.xml
+++ b/rest/pom.xml
@@ -12,7 +12,7 @@
   <parent>
     <groupId>pro.taskana</groupId>
     <artifactId>taskana-parent</artifactId>
-    <version>6.3.1-SNAPSHOT</version>
+    <version>6.4.0-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/rest/taskana-rest-spring-example-boot/pom.xml b/rest/taskana-rest-spring-example-boot/pom.xml
index 61cfe8fa9..39505b27b 100644
--- a/rest/taskana-rest-spring-example-boot/pom.xml
+++ b/rest/taskana-rest-spring-example-boot/pom.xml
@@ -11,7 +11,7 @@
   <parent>
     <groupId>pro.taskana</groupId>
     <artifactId>taskana-rest-parent</artifactId>
-    <version>6.3.1-SNAPSHOT</version>
+    <version>6.4.0-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/rest/taskana-rest-spring-example-common/pom.xml b/rest/taskana-rest-spring-example-common/pom.xml
index 8dc358dc0..f4cec0080 100644
--- a/rest/taskana-rest-spring-example-common/pom.xml
+++ b/rest/taskana-rest-spring-example-common/pom.xml
@@ -11,7 +11,7 @@
   <parent>
     <groupId>pro.taskana</groupId>
     <artifactId>taskana-rest-parent</artifactId>
-    <version>6.3.1-SNAPSHOT</version>
+    <version>6.4.0-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/rest/taskana-rest-spring-example-wildfly/pom.xml b/rest/taskana-rest-spring-example-wildfly/pom.xml
index 034855592..81d2b999c 100644
--- a/rest/taskana-rest-spring-example-wildfly/pom.xml
+++ b/rest/taskana-rest-spring-example-wildfly/pom.xml
@@ -11,7 +11,7 @@
   <parent>
     <groupId>pro.taskana</groupId>
     <artifactId>taskana-rest-parent</artifactId>
-    <version>6.3.1-SNAPSHOT</version>
+    <version>6.4.0-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/rest/taskana-rest-spring-example-wildfly/src/test/java/pro/taskana/example/wildfly/AbstractAccTest.java b/rest/taskana-rest-spring-example-wildfly/src/test/java/pro/taskana/example/wildfly/AbstractAccTest.java
index 84926df0b..e72d3b8b4 100644
--- a/rest/taskana-rest-spring-example-wildfly/src/test/java/pro/taskana/example/wildfly/AbstractAccTest.java
+++ b/rest/taskana-rest-spring-example-wildfly/src/test/java/pro/taskana/example/wildfly/AbstractAccTest.java
@@ -22,7 +22,7 @@ import pro.taskana.workbasket.rest.models.WorkbasketSummaryRepresentationModel;
 @TaskanaSpringBootTest
 public class AbstractAccTest {
 
-  protected static final String DEPENDENCY_VERSION = "6.3.1-SNAPSHOT";
+  protected static final String DEPENDENCY_VERSION = "6.4.0-SNAPSHOT";
 
   private static final Logger LOGGER = LoggerFactory.getLogger(AbstractAccTest.class);
 
diff --git a/rest/taskana-rest-spring-test-lib/pom.xml b/rest/taskana-rest-spring-test-lib/pom.xml
index e3da691e7..4f306e8d5 100644
--- a/rest/taskana-rest-spring-test-lib/pom.xml
+++ b/rest/taskana-rest-spring-test-lib/pom.xml
@@ -11,7 +11,7 @@
   <parent>
     <groupId>pro.taskana</groupId>
     <artifactId>taskana-rest-parent</artifactId>
-    <version>6.3.1-SNAPSHOT</version>
+    <version>6.4.0-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/rest/taskana-rest-spring/pom.xml b/rest/taskana-rest-spring/pom.xml
index 16154149d..125a46c99 100644
--- a/rest/taskana-rest-spring/pom.xml
+++ b/rest/taskana-rest-spring/pom.xml
@@ -10,7 +10,7 @@
   <parent>
     <groupId>pro.taskana</groupId>
     <artifactId>taskana-rest-parent</artifactId>
-    <version>6.3.1-SNAPSHOT</version>
+    <version>6.4.0-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/routing/pom.xml b/routing/pom.xml
index e4ff6222f..0e1af82ee 100644
--- a/routing/pom.xml
+++ b/routing/pom.xml
@@ -12,7 +12,7 @@
   <parent>
     <groupId>pro.taskana</groupId>
     <artifactId>taskana-parent</artifactId>
-    <version>6.3.1-SNAPSHOT</version>
+    <version>6.4.0-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/routing/taskana-routing-rest/pom.xml b/routing/taskana-routing-rest/pom.xml
index c57a01946..71793b2d5 100644
--- a/routing/taskana-routing-rest/pom.xml
+++ b/routing/taskana-routing-rest/pom.xml
@@ -11,7 +11,7 @@
   <parent>
     <groupId>pro.taskana</groupId>
     <artifactId>taskana-routing-parent</artifactId>
-    <version>6.3.1-SNAPSHOT</version>
+    <version>6.4.0-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/routing/taskana-spi-routing-dmn-router/pom.xml b/routing/taskana-spi-routing-dmn-router/pom.xml
index fc4c4d1a2..eb4488700 100644
--- a/routing/taskana-spi-routing-dmn-router/pom.xml
+++ b/routing/taskana-spi-routing-dmn-router/pom.xml
@@ -11,7 +11,7 @@
   <parent>
     <groupId>pro.taskana</groupId>
     <artifactId>taskana-routing-parent</artifactId>
-    <version>6.3.1-SNAPSHOT</version>
+    <version>6.4.0-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/web/pom.xml b/web/pom.xml
index 442b4d68d..e107cf418 100644
--- a/web/pom.xml
+++ b/web/pom.xml
@@ -10,7 +10,7 @@
   <parent>
     <groupId>pro.taskana</groupId>
     <artifactId>taskana-rest-parent</artifactId>
-    <version>6.3.1-SNAPSHOT</version>
+    <version>6.4.0-SNAPSHOT</version>
     <relativePath>../rest/pom.xml</relativePath>
   </parent>