diff --git a/CHANGELOG.md b/CHANGELOG.md
index ac69189d5..f6a9ff66a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,6 @@
 07.08.2020
 * Restored creator and updator strings to contacts and related object records [#1636](https://github.com/internetee/registry/issues/1636)
+* Security gem updates: sdoc to 1.1 and json to 2.3.1 [#1657](https://github.com/internetee/registry/pull/1657)
 
 04.08.2020
 * Fixed registrant verification for domain delete [#1631](https://github.com/internetee/registry/issues/1631)