diff --git a/CHANGELOG.md b/CHANGELOG.md
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--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # CodeQL Action and CodeQL Runner Changelog
 
-## [UNRELEASED]
+## 1.0.1 - 07 Jun 2021
 
 - Pass the `--sarif-group-rules-by-pack` argument to CodeQL CLI invocations that generate SARIF. This means the SARIF rule object for each query will now be found underneath its corresponding query pack in `runs[].tool.extensions`. [#546](https://github.com/github/codeql-action/pull/546)
 - Output the location of CodeQL databases created in the analyze step. [#543](https://github.com/github/codeql-action/pull/543)