diff --git a/free_games_claimer/CHANGELOG.md b/free_games_claimer/CHANGELOG.md
index 74d984ba3a..05c250e1b9 100644
--- a/free_games_claimer/CHANGELOG.md
+++ b/free_games_claimer/CHANGELOG.md
@@ -13,6 +13,8 @@
   GOG JSON claim history into the remaster SQLite database.
 - Preserved legacy files for rollback and documented the required one-time
   Chromium login when a Firefox session cannot be migrated.
+- Pinned the reviewed upstream source commit and paused automatic upstream
+  updates so the add-on's independent `2.x` version cannot regress to `1.x`.
 - Updated the configuration template, upstream metadata, and documentation.
 - Added support for configuring extra environment variables via the `env_vars`
   add-on option.