diff --git a/testslide/strict_mock.pyi b/testslide/strict_mock.pyi
index 625d3e1..583237a 100644
--- a/testslide/strict_mock.pyi
+++ b/testslide/strict_mock.pyi
@@ -1,4 +1,4 @@
 # pyre-unsafe
 from typing import Any
 
-StrictMock = Any
+class StrictMock(Any): ...