diff --git a/CHANGELOG.md b/CHANGELOG.md
index c08c24bf4a..9c04d3b6ab 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 2.14.5. [#1882](https://github.com/github/codeql-action/pull/1882)
 
 ## 2.21.6 - 13 Sep 2023
 
diff --git a/lib/defaults.json b/lib/defaults.json
index 8a520c762d..e41a9d8260 100644
--- a/lib/defaults.json
+++ b/lib/defaults.json
@@ -1,6 +1,6 @@
 {
-    "bundleVersion": "codeql-bundle-v2.14.4",
-    "cliVersion": "2.14.4",
-    "priorBundleVersion": "codeql-bundle-v2.14.3",
-    "priorCliVersion": "2.14.3"
+    "bundleVersion": "codeql-bundle-v2.14.5",
+    "cliVersion": "2.14.5",
+    "priorBundleVersion": "codeql-bundle-v2.14.4",
+    "priorCliVersion": "2.14.4"
 }
diff --git a/src/defaults.json b/src/defaults.json
index 0006047097..0b484be707 100644
--- a/src/defaults.json
+++ b/src/defaults.json
@@ -1,6 +1,6 @@
 {
-  "bundleVersion": "codeql-bundle-v2.14.4",
-  "cliVersion": "2.14.4",
-  "priorBundleVersion": "codeql-bundle-v2.14.3",
-  "priorCliVersion": "2.14.3"
+  "bundleVersion": "codeql-bundle-v2.14.5",
+  "cliVersion": "2.14.5",
+  "priorBundleVersion": "codeql-bundle-v2.14.4",
+  "priorCliVersion": "2.14.4"
 }