diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3ed83602..edf73367 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,7 +12,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com), and this
 
 #### Changed
 
-* *Nothing*
+* [#656](https://github.com/shlinkio/shlink/issues/656) Updated to PHPUnit 9.
 
 #### Deprecated