diff --git a/CHANGELOG.md b/CHANGELOG.md
index c258f366f..634bd2783 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,13 @@
 
 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.
 
+## [27.4.34](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/compare/t27.4.33...t27.4.34) (2023-09-21)
+
+
+### Bug Fixes
+
+* **lms:** treat simultaneous blocks/unblocks correctly ([11752dc](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/commit/11752dc5ac96f36ebf9a4cad43fa4e4b55c1b21c))
+
 ## [27.4.33](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/compare/t27.4.32...t27.4.33) (2023-09-20)
 
 
diff --git a/nix/docker/version.json b/nix/docker/version.json
index 665027c0b..1480b6267 100644
--- a/nix/docker/version.json
+++ b/nix/docker/version.json
@@ -1,3 +1,3 @@
 {
-  "version": "27.4.33"
+  "version": "27.4.34"
 }
diff --git a/package-lock.json b/package-lock.json
index ede5cb103..002df9556 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "uni2work",
-  "version": "27.4.33",
+  "version": "27.4.34",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 666282fb3..85fa6e713 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "uni2work",
-  "version": "27.4.33",
+  "version": "27.4.34",
   "description": "",
   "keywords": [],
   "author": "",
diff --git a/package.yaml b/package.yaml
index b67586386..03e875bea 100644
--- a/package.yaml
+++ b/package.yaml
@@ -1,5 +1,5 @@
 name: uniworx
-version: 27.4.33
+version: 27.4.34
 dependencies:
   - base
   - yesod