diff --git a/app/musicmuster.py b/app/musicmuster.py
index f3070ab..28a4c65 100755
--- a/app/musicmuster.py
+++ b/app/musicmuster.py
@@ -1762,10 +1762,12 @@ if __name__ == "__main__":
         log.debug("Updating database")
         with Session() as session:
             check_db(session)
+            engine.dispose()
     elif args.update_bitrates:
         log.debug("Update bitrates")
         with Session() as session:
             update_bitrates(session)
+            engine.dispose()
     else:
         # Normal run
         try: