diff --git a/CHANGELOG.md b/CHANGELOG.md
index 88597ddf6..a70fafd1f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,8 @@ All notable changes to this project will be documented in this file.
 
 The format is based on Keep a Changelog (https://keepachangelog.com/en/1.0.0/),
 
+## [3.1.1] - tbd
+
 ## [3.1.0] - 2023-03-08
 
 ### Changed
diff --git a/bpdm-common/pom.xml b/bpdm-common/pom.xml
index d6b1b9a12..14764a227 100644
--- a/bpdm-common/pom.xml
+++ b/bpdm-common/pom.xml
@@ -29,7 +29,7 @@
     <parent>
         <groupId>org.eclipse.tractusx</groupId>
         <artifactId>bpdm-parent</artifactId>
-        <version>3.1.0</version>
+        <version>3.1.1-SNAPSHOT</version>
     </parent>
 
     <dependencies>
diff --git a/bpdm-gate/pom.xml b/bpdm-gate/pom.xml
index ba13f8864..5bf8d737e 100644
--- a/bpdm-gate/pom.xml
+++ b/bpdm-gate/pom.xml
@@ -31,7 +31,7 @@
     <parent>
         <groupId>org.eclipse.tractusx</groupId>
         <artifactId>bpdm-parent</artifactId>
-        <version>3.1.0</version>
+        <version>3.1.1-SNAPSHOT</version>
     </parent>
 
     <dependencies>
diff --git a/bpdm-pool/pom.xml b/bpdm-pool/pom.xml
index a75944908..3e415bf09 100644
--- a/bpdm-pool/pom.xml
+++ b/bpdm-pool/pom.xml
@@ -31,7 +31,7 @@
     <parent>
         <groupId>org.eclipse.tractusx</groupId>
         <artifactId>bpdm-parent</artifactId>
-        <version>3.1.0</version>
+        <version>3.1.1-SNAPSHOT</version>
     </parent>
 
     <properties>
diff --git a/docs/api/gate.json b/docs/api/gate.json
index 0acfcdc6e..9306e585f 100644
--- a/docs/api/gate.json
+++ b/docs/api/gate.json
@@ -3,7 +3,7 @@
   "info": {
     "title": "Business Partner Data Management Gate",
     "description": "A gate for a member to share business partner data with CatenaX",
-    "version": "3.1.0"
+    "version": "3.1.1"
   },
   "servers": [
     {
diff --git a/docs/api/gate.yaml b/docs/api/gate.yaml
index 77ef1deb4..8bdda25c9 100644
--- a/docs/api/gate.yaml
+++ b/docs/api/gate.yaml
@@ -2,7 +2,7 @@ openapi: 3.0.1
 info:
   title: Business Partner Data Management Gate
   description: A gate for a member to share business partner data with CatenaX
-  version: 3.1.0
+  version: 3.1.1
 servers:
   - url: http://localhost:8081
     description: Generated server url
diff --git a/docs/api/pool.json b/docs/api/pool.json
index c2fb7f884..a49c3b658 100644
--- a/docs/api/pool.json
+++ b/docs/api/pool.json
@@ -3,7 +3,7 @@
   "info": {
     "title": "Business Partner Data Management Pool",
     "description": "Service that manages and shares business partner data with other CatenaX services",
-    "version": "3.1.0"
+    "version": "3.1.1"
   },
   "servers": [
     {
diff --git a/docs/api/pool.yaml b/docs/api/pool.yaml
index c04801742..15daa9795 100644
--- a/docs/api/pool.yaml
+++ b/docs/api/pool.yaml
@@ -2,7 +2,7 @@ openapi: 3.0.1
 info:
   title: Business Partner Data Management Pool
   description: Service that manages and shares business partner data with other CatenaX services
-  version: 3.1.0
+  version: 3.1.1
 servers:
   - url: http://localhost:8080
     description: Generated server url
diff --git a/pom.xml b/pom.xml
index d83d93983..44bba519f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -27,7 +27,7 @@
     <artifactId>bpdm-parent</artifactId>
     <name>Business Partner Data Management Parent</name>
     <description>Parent pom of Business Partner Data Management</description>
-    <version>3.1.0</version>
+    <version>3.1.1-SNAPSHOT</version>
     <packaging>pom</packaging>
 
     <parent>