diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5ad77b2e13..26da6cfe1a 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 [2.24.3](https://github.com/github/codeql-action/releases/tag/codeql-bundle-v2.24.3). [#3548](https://github.com/github/codeql-action/pull/3548)
 
 ## 4.32.5 - 02 Mar 2026
 
diff --git a/lib/analyze-action.js b/lib/analyze-action.js
index ae24bd2fa5..ef880289d3 100644
--- a/lib/analyze-action.js
+++ b/lib/analyze-action.js
@@ -107350,8 +107350,8 @@ var path5 = __toESM(require("path"));
 var semver5 = __toESM(require_semver2());
 
 // src/defaults.json
-var bundleVersion = "codeql-bundle-v2.24.2";
-var cliVersion = "2.24.2";
+var bundleVersion = "codeql-bundle-v2.24.3";
+var cliVersion = "2.24.3";
 
 // src/overlay/index.ts
 var fs3 = __toESM(require("fs"));
diff --git a/lib/autobuild-action.js b/lib/autobuild-action.js
index 9bd492faf6..9479dbdecf 100644
--- a/lib/autobuild-action.js
+++ b/lib/autobuild-action.js
@@ -103820,8 +103820,8 @@ var path3 = __toESM(require("path"));
 var semver5 = __toESM(require_semver2());
 
 // src/defaults.json
-var bundleVersion = "codeql-bundle-v2.24.2";
-var cliVersion = "2.24.2";
+var bundleVersion = "codeql-bundle-v2.24.3";
+var cliVersion = "2.24.3";
 
 // src/overlay/index.ts
 var fs2 = __toESM(require("fs"));
diff --git a/lib/defaults.json b/lib/defaults.json
index 94988f4cfb..9b6ec84bd4 100644
--- a/lib/defaults.json
+++ b/lib/defaults.json
@@ -1,6 +1,6 @@
 {
-  "bundleVersion": "codeql-bundle-v2.24.2",
-  "cliVersion": "2.24.2",
-  "priorBundleVersion": "codeql-bundle-v2.24.1",
-  "priorCliVersion": "2.24.1"
+  "bundleVersion": "codeql-bundle-v2.24.3",
+  "cliVersion": "2.24.3",
+  "priorBundleVersion": "codeql-bundle-v2.24.2",
+  "priorCliVersion": "2.24.2"
 }
diff --git a/lib/init-action-post.js b/lib/init-action-post.js
index 45475b8290..50498dd16b 100644
--- a/lib/init-action-post.js
+++ b/lib/init-action-post.js
@@ -165218,8 +165218,8 @@ var path5 = __toESM(require("path"));
 var semver5 = __toESM(require_semver2());
 
 // src/defaults.json
-var bundleVersion = "codeql-bundle-v2.24.2";
-var cliVersion = "2.24.2";
+var bundleVersion = "codeql-bundle-v2.24.3";
+var cliVersion = "2.24.3";
 
 // src/overlay/index.ts
 var fs3 = __toESM(require("fs"));
diff --git a/lib/init-action.js b/lib/init-action.js
index 2f027f535f..0fad1883da 100644
--- a/lib/init-action.js
+++ b/lib/init-action.js
@@ -104857,8 +104857,8 @@ var path6 = __toESM(require("path"));
 var semver5 = __toESM(require_semver2());
 
 // src/defaults.json
-var bundleVersion = "codeql-bundle-v2.24.2";
-var cliVersion = "2.24.2";
+var bundleVersion = "codeql-bundle-v2.24.3";
+var cliVersion = "2.24.3";
 
 // src/overlay/index.ts
 var fs3 = __toESM(require("fs"));
diff --git a/lib/setup-codeql-action.js b/lib/setup-codeql-action.js
index 4ff3559760..42928ba090 100644
--- a/lib/setup-codeql-action.js
+++ b/lib/setup-codeql-action.js
@@ -103679,8 +103679,8 @@ var path4 = __toESM(require("path"));
 var semver4 = __toESM(require_semver2());
 
 // src/defaults.json
-var bundleVersion = "codeql-bundle-v2.24.2";
-var cliVersion = "2.24.2";
+var bundleVersion = "codeql-bundle-v2.24.3";
+var cliVersion = "2.24.3";
 
 // src/overlay/index.ts
 var fs3 = __toESM(require("fs"));
diff --git a/lib/start-proxy-action.js b/lib/start-proxy-action.js
index 6d0e3e00ea..7305f25ce1 100644
--- a/lib/start-proxy-action.js
+++ b/lib/start-proxy-action.js
@@ -120612,8 +120612,8 @@ var path = __toESM(require("path"));
 var semver4 = __toESM(require_semver2());
 
 // src/defaults.json
-var bundleVersion = "codeql-bundle-v2.24.2";
-var cliVersion = "2.24.2";
+var bundleVersion = "codeql-bundle-v2.24.3";
+var cliVersion = "2.24.3";
 
 // src/overlay/index.ts
 var actionsCache = __toESM(require_cache5());
diff --git a/lib/upload-lib.js b/lib/upload-lib.js
index 345ad77699..4e14450d3b 100644
--- a/lib/upload-lib.js
+++ b/lib/upload-lib.js
@@ -106934,8 +106934,8 @@ var path5 = __toESM(require("path"));
 var semver5 = __toESM(require_semver2());
 
 // src/defaults.json
-var bundleVersion = "codeql-bundle-v2.24.2";
-var cliVersion = "2.24.2";
+var bundleVersion = "codeql-bundle-v2.24.3";
+var cliVersion = "2.24.3";
 
 // src/overlay/index.ts
 var fs3 = __toESM(require("fs"));
diff --git a/lib/upload-sarif-action.js b/lib/upload-sarif-action.js
index 048265b524..4bd2f606e1 100644
--- a/lib/upload-sarif-action.js
+++ b/lib/upload-sarif-action.js
@@ -106618,8 +106618,8 @@ var path4 = __toESM(require("path"));
 var semver4 = __toESM(require_semver2());
 
 // src/defaults.json
-var bundleVersion = "codeql-bundle-v2.24.2";
-var cliVersion = "2.24.2";
+var bundleVersion = "codeql-bundle-v2.24.3";
+var cliVersion = "2.24.3";
 
 // src/overlay/index.ts
 var fs3 = __toESM(require("fs"));
diff --git a/src/defaults.json b/src/defaults.json
index 94988f4cfb..9b6ec84bd4 100644
--- a/src/defaults.json
+++ b/src/defaults.json
@@ -1,6 +1,6 @@
 {
-  "bundleVersion": "codeql-bundle-v2.24.2",
-  "cliVersion": "2.24.2",
-  "priorBundleVersion": "codeql-bundle-v2.24.1",
-  "priorCliVersion": "2.24.1"
+  "bundleVersion": "codeql-bundle-v2.24.3",
+  "cliVersion": "2.24.3",
+  "priorBundleVersion": "codeql-bundle-v2.24.2",
+  "priorCliVersion": "2.24.2"
 }