diff --git a/extensions/ql-vscode/CHANGELOG.md b/extensions/ql-vscode/CHANGELOG.md
index 2d1cd407f..2fd6c1218 100644
--- a/extensions/ql-vscode/CHANGELOG.md
+++ b/extensions/ql-vscode/CHANGELOG.md
@@ -1,5 +1,7 @@
 # CodeQL for Visual Studio Code: Changelog
 
+## [UNRELEASED]
+
 ## 1.9.0 - 19 September 2023
 
 - Release the [CodeQL model editor](https://codeql.github.com/docs/codeql/codeql-for-visual-studio-code/using-the-codeql-model-editor) to create CodeQL model packs for Java frameworks. Open the editor using the "CodeQL: Open CodeQL Model Editor (Beta)" command. [#2823](https://github.com/github/vscode-codeql/pull/2823)
diff --git a/extensions/ql-vscode/package-lock.json b/extensions/ql-vscode/package-lock.json
index fd485a031..16c4a1952 100644
--- a/extensions/ql-vscode/package-lock.json
+++ b/extensions/ql-vscode/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "vscode-codeql",
-  "version": "1.9.0",
+  "version": "1.9.1",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "vscode-codeql",
-      "version": "1.9.0",
+      "version": "1.9.1",
       "hasInstallScript": true,
       "license": "MIT",
       "dependencies": {
diff --git a/extensions/ql-vscode/package.json b/extensions/ql-vscode/package.json
index 909d06a95..4ac252be8 100644
--- a/extensions/ql-vscode/package.json
+++ b/extensions/ql-vscode/package.json
@@ -4,7 +4,7 @@
   "description": "CodeQL for Visual Studio Code",
   "author": "GitHub",
   "private": true,
-  "version": "1.9.0",
+  "version": "1.9.1",
   "publisher": "GitHub",
   "license": "MIT",
   "icon": "media/VS-marketplace-CodeQL-icon.png",