diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2da3e3c735..b8224d9da1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,7 +2,7 @@
 
 ## [UNRELEASED]
 
-No user facing changes.
+- Update default CodeQL bundle version to 2.8.4. [#990](https://github.com/github/codeql-action/pull/990)
 
 ## 1.1.5 - 15 Mar 2022
 
diff --git a/lib/defaults.json b/lib/defaults.json
index 173d22d0c4..b1a04cd573 100644
--- a/lib/defaults.json
+++ b/lib/defaults.json
@@ -1,3 +1,3 @@
 {
-    "bundleVersion": "codeql-bundle-20220311"
+    "bundleVersion": "codeql-bundle-20220322"
 }
diff --git a/src/defaults.json b/src/defaults.json
index 840503e5cf..7ed5a9e1ea 100644
--- a/src/defaults.json
+++ b/src/defaults.json
@@ -1,3 +1,3 @@
 {
-  "bundleVersion": "codeql-bundle-20220311"
+  "bundleVersion": "codeql-bundle-20220322"
 }