diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7e2bac8..852f996 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,11 @@
+# [v1.5.21](https://github.com/size-up/freegamescatcher-core/compare/v1.5.20...v1.5.21) (2023-03-11)
+
+## ⚡️ Improve performance
+- [`a92d248`](https://github.com/size-up/freegamescatcher-core/commit/a92d248) ️ Prefix with `[TEST]` in email subject if not in prod. mode 
+
+## 🐛 Bug fixes
+- [`6b899e9`](https://github.com/size-up/freegamescatcher-core/commit/6b899e9)  Iterate on `promotionalOffers` field to find current free games
+
 # [v1.5.20](https://github.com/size-up/freegamescatcher-core/compare/v1.5.19...v1.5.20) (2023-03-07)
 
 # [v1.5.19](https://github.com/size-up/freegamescatcher-core/compare/v1.5.18...v1.5.19) (2023-03-07)
diff --git a/package.json b/package.json
index 7e06ebc..d61a1dd 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
     "name": "freegamescatcher-core",
     "displayName": "Free Games Catcher",
-    "version": "1.5.20",
+    "version": "1.5.21",
     "description": "Free Games Catcher is an application that aims to search for game sites, trigger an alert and send it to users to notify them when a free game is available",
     "license": "GPL-3.0-or-later",
     "repository": {