diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9c486d5fd1..25344b895c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,7 +4,7 @@ See the [releases page](https://github.com/github/codeql-action/releases) for th
 
 ## [UNRELEASED]
 
-No user facing changes.
+- Update default CodeQL bundle version to 2.22.4. [#3044](https://github.com/github/codeql-action/pull/3044)
 
 ## 3.29.10 - 18 Aug 2025
 
diff --git a/lib/defaults.json b/lib/defaults.json
index 86ec47dcce..51f331743c 100644
--- a/lib/defaults.json
+++ b/lib/defaults.json
@@ -1,6 +1,6 @@
 {
-    "bundleVersion": "codeql-bundle-v2.22.3",
-    "cliVersion": "2.22.3",
-    "priorBundleVersion": "codeql-bundle-v2.22.2",
-    "priorCliVersion": "2.22.2"
+    "bundleVersion": "codeql-bundle-v2.22.4",
+    "cliVersion": "2.22.4",
+    "priorBundleVersion": "codeql-bundle-v2.22.3",
+    "priorCliVersion": "2.22.3"
 }
diff --git a/src/defaults.json b/src/defaults.json
index 8623ae66d9..b90234b76b 100644
--- a/src/defaults.json
+++ b/src/defaults.json
@@ -1,6 +1,6 @@
 {
-  "bundleVersion": "codeql-bundle-v2.22.3",
-  "cliVersion": "2.22.3",
-  "priorBundleVersion": "codeql-bundle-v2.22.2",
-  "priorCliVersion": "2.22.2"
+  "bundleVersion": "codeql-bundle-v2.22.4",
+  "cliVersion": "2.22.4",
+  "priorBundleVersion": "codeql-bundle-v2.22.3",
+  "priorCliVersion": "2.22.3"
 }