diff --git a/firka/lib/helpers/api/client/kreta_client.dart b/firka/lib/helpers/api/client/kreta_client.dart
index 7008e3b..f4dfbae 100644
--- a/firka/lib/helpers/api/client/kreta_client.dart
+++ b/firka/lib/helpers/api/client/kreta_client.dart
@@ -608,6 +608,7 @@ class KretaClient {
     noticeBoardCache = null;
     gradeCache = null;
     omissionsCache = null;
+    classGroupCache = null;
   }
 }