diff --git a/CHANGELOG.md b/CHANGELOG.md
index 97243cb41e..02d03063b3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,7 +2,7 @@
 
 ## [UNRELEASED]
 
-No user facing changes.
+- Update default CodeQL bundle version to 2.9.3. [#1074](https://github.com/github/codeql-action/pull/1082)
 
 ## 2.1.11 - 17 May 2022
 
diff --git a/lib/defaults.json b/lib/defaults.json
index 30e3b01f9c..c68f07ef46 100644
--- a/lib/defaults.json
+++ b/lib/defaults.json
@@ -1,3 +1,3 @@
 {
-    "bundleVersion": "codeql-bundle-20220512"
+    "bundleVersion": "codeql-bundle-20220525"
 }
diff --git a/src/defaults.json b/src/defaults.json
index 99ddb41bcf..93b4b7a7c6 100644
--- a/src/defaults.json
+++ b/src/defaults.json
@@ -1,3 +1,3 @@
 {
-  "bundleVersion": "codeql-bundle-20220512"
+  "bundleVersion": "codeql-bundle-20220525"
 }