diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9c8f8f83b7..a45249c1b1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,7 @@ See the [releases page](https://github.com/github/codeql-action/releases) for th
 
 ## [UNRELEASED]
 
+- Update default CodeQL bundle version to 2.14.6. [#1897](https://github.com/github/codeql-action/pull/1897)
 - We are rolling out a feature in October 2023 that will improve the success rate of C/C++ autobuild. [#1889](https://github.com/github/codeql-action/pull/1889)
 - Add a warning to help customers avoid inadvertently analyzing the same CodeQL language in multiple matrix jobs. [#1901](https://github.com/github/codeql-action/pull/1901)
 
diff --git a/lib/defaults.json b/lib/defaults.json
index e41a9d8260..a593e19c3e 100644
--- a/lib/defaults.json
+++ b/lib/defaults.json
@@ -1,6 +1,6 @@
 {
-    "bundleVersion": "codeql-bundle-v2.14.5",
-    "cliVersion": "2.14.5",
-    "priorBundleVersion": "codeql-bundle-v2.14.4",
-    "priorCliVersion": "2.14.4"
+    "bundleVersion": "codeql-bundle-v2.14.6",
+    "cliVersion": "2.14.6",
+    "priorBundleVersion": "codeql-bundle-v2.14.5",
+    "priorCliVersion": "2.14.5"
 }
diff --git a/src/defaults.json b/src/defaults.json
index 0b484be707..9b91e495cc 100644
--- a/src/defaults.json
+++ b/src/defaults.json
@@ -1,6 +1,6 @@
 {
-  "bundleVersion": "codeql-bundle-v2.14.5",
-  "cliVersion": "2.14.5",
-  "priorBundleVersion": "codeql-bundle-v2.14.4",
-  "priorCliVersion": "2.14.4"
+  "bundleVersion": "codeql-bundle-v2.14.6",
+  "cliVersion": "2.14.6",
+  "priorBundleVersion": "codeql-bundle-v2.14.5",
+  "priorCliVersion": "2.14.5"
 }