diff --git a/CHANGELOG.md b/CHANGELOG.md
index 03529b5a6..0910740d4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,10 @@
+# [4.12.0](https://github.com/OptimalBits/bull/compare/v4.11.5...v4.12.0) (2023-12-18)
+
+
+### Features
+
+* add missing extendLock definition ([14432ff](https://github.com/OptimalBits/bull/commit/14432ff8a5e743d97c82a360c9d6a92204b1a684))
+
 ## [4.11.5](https://github.com/OptimalBits/bull/compare/v4.11.4...v4.11.5) (2023-11-11)
 
 
diff --git a/package.json b/package.json
index 9d660d8f7..beb150df8 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "bull",
-  "version": "4.11.5",
+  "version": "4.12.0",
   "description": "Job manager",
   "engines": {
     "node": ">=12"