diff --git a/History.markdown b/History.markdown
index 1914ee3b13..28da5b9ac5 100644
--- a/History.markdown
+++ b/History.markdown
@@ -57,6 +57,7 @@
   * [chore] Normalize Travis CI builds (#480)
   * chore(deps): bump Ruby version (#510)
   * Conditionally load GFM-parser gem in CI builds (#535)
+  * Improve CI workflow configuration (#609)
 
 ## 2.5.1