diff --git a/lib/bb/persist_data.py b/lib/bb/persist_data.py
index bcca791ed..c4454b153 100644
--- a/lib/bb/persist_data.py
+++ b/lib/bb/persist_data.py
@@ -154,6 +154,7 @@ class SQLTable(collections.abc.MutableMapping):
 
     def __exit__(self, *excinfo):
         self.connection.__exit__(*excinfo)
+        self.connection.close()
 
     @_Decorators.retry()
     @_Decorators.transaction