diff --git a/CHANGELOG.md b/CHANGELOG.md
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--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # CodeQL Action and CodeQL Runner Changelog
 
+## [UNRELEASED]
+
+No user facing changes.
+
 ## 1.0.21 - 28 Oct 2021
 
 - Update default CodeQL bundle version to 2.7.0. [#795](https://github.com/github/codeql-action/pull/795)