diff --git a/third_party/2and3/pymysql/connections.pyi b/third_party/2and3/pymysql/connections.pyi
index 62109ba60..dd8b5e01f 100644
--- a/third_party/2and3/pymysql/connections.pyi
+++ b/third_party/2and3/pymysql/connections.pyi
@@ -92,6 +92,7 @@ class Connection:
     def close(self): ...
     def autocommit(self, value): ...
     def commit(self): ...
+    def begin(self) -> None: ...
     def rollback(self): ...
     def escape(self, obj): ...
     def literal(self, obj): ...