diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1a55f7e09..b63b79671 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 See the [releases page](https://github.com/github/codeql-action/releases) for the relevant changes to the CodeQL CLI and language packs.
 
+## [UNRELEASED]
+
+No user facing changes.
+
 ## 4.39.0 - 15 Oct 2026
 
 - _Breaking change_: Bump the minimum required CodeQL bundle version to 2.20.7. [#4205](https://github.com/github/codeql-action/pull/4205)
diff --git a/package-lock.json b/package-lock.json
index 42ba4bf1c..d702b0f6f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "codeql",
-  "version": "4.39.0",
+  "version": "4.39.1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "codeql",
-      "version": "4.39.0",
+      "version": "4.39.1",
       "license": "MIT",
       "workspaces": [
         "pr-checks"
diff --git a/package.json b/package.json
index 755d561f1..209ded679 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "codeql",
-  "version": "4.39.0",
+  "version": "4.39.1",
   "private": true,
   "description": "CodeQL action",
   "scripts": {