diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1036ea62f..637b6685e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,15 @@
 
 All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
 
+### [15.6.1](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/compare/v15.6.0...v15.6.1) (2020-04-30)
+
+
+### Bug Fixes
+
+* **submission-groups:** prevent deleting group before insert ([f87cf7a](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/commit/f87cf7a))
+
+
+
 ## [15.6.0](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/compare/v15.5.0...v15.6.0) (2020-04-28)
 
 
diff --git a/package-lock.json b/package-lock.json
index 1f5b9ce26..d2f22b593 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "uni2work",
-  "version": "15.6.0",
+  "version": "15.6.1",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index d2ede0667..7694786ea 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "uni2work",
-  "version": "15.6.0",
+  "version": "15.6.1",
   "description": "",
   "keywords": [],
   "author": "",
diff --git a/package.yaml b/package.yaml
index e0ce60949..dae968da6 100644
--- a/package.yaml
+++ b/package.yaml
@@ -1,5 +1,5 @@
 name:    uniworx
-version: 15.6.0
+version: 15.6.1
 
 dependencies:
   - base