diff --git a/CHANGELOG.md b/CHANGELOG.md
index 511fa600a..348dd8974 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,8 @@
 
 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.
 
+## [27.0.13](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/compare/v27.0.12...v27.0.13) (2023-01-19)
+
 ## [27.0.12](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/compare/v27.0.11...v27.0.12) (2023-01-19)
 
 ## [27.0.11](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/compare/v27.0.10...v27.0.11) (2023-01-19)
diff --git a/nix/docker/demo-version.json b/nix/docker/demo-version.json
index 238aec9eb..309394f75 100644
--- a/nix/docker/demo-version.json
+++ b/nix/docker/demo-version.json
@@ -1,3 +1,3 @@
 {
-  "version": "27.0.12"
+  "version": "27.0.13"
 }
diff --git a/nix/docker/version.json b/nix/docker/version.json
index 238aec9eb..309394f75 100644
--- a/nix/docker/version.json
+++ b/nix/docker/version.json
@@ -1,3 +1,3 @@
 {
-  "version": "27.0.12"
+  "version": "27.0.13"
 }
diff --git a/package-lock.json b/package-lock.json
index b4ffbe419..ed5cb7146 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "uni2work",
-  "version": "27.0.12",
+  "version": "27.0.13",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index be3db0a5a..c222c4641 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "uni2work",
-  "version": "27.0.12",
+  "version": "27.0.13",
   "description": "",
   "keywords": [],
   "author": "",
diff --git a/package.yaml b/package.yaml
index 233faef5d..d6dbf4805 100644
--- a/package.yaml
+++ b/package.yaml
@@ -1,5 +1,5 @@
 name: uniworx
-version: 27.0.12
+version: 27.0.13
 dependencies:
   - base
   - yesod
@@ -267,12 +267,10 @@ when:
         - -O0
         - -ddump-splices
         - -ddump-to-file
-        # - -Wderiving-typeable
       cpp-options: -DDEVELOPMENT
     else:
       ghc-options:
-        - -O 
-        # -fllvm
+        - -O
 data-files:
   - testdata/**
 library: