diff --git a/CHANGELOG.md b/CHANGELOG.md
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--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,5 @@
 23.10.2019
-* Updated haml gem to 5.1.2 [#1384](https://github.com/internetee/registry/pull/1384)
+* Updated haml gem to 5.1.2 (CVE-2017-1002201) [#1384](https://github.com/internetee/registry/pull/1384)
 * Removed bullet gem [#378](https://github.com/internetee/registry/issues/378)
 * Removed duplicate route from admin [#1375](https://github.com/internetee/registry/pull/1375)