diff --git a/History.markdown b/History.markdown
index 2a45a3bb..cd15f820 100644
--- a/History.markdown
+++ b/History.markdown
@@ -88,6 +88,7 @@
   * Only enable BOM encoding option on UTF encodings (#8363)
   * Ensure theme config is a `Jekyll::Configuration` object (#8988)
   * Remove misleading totals row from `--profile` table (#9039)
+  * Unlock Psych dependency (#9135)
 
 ### Development Fixes