diff --git a/third_party/2and3/retry/api.pyi b/third_party/2and3/retry/api.pyi
index 8aa4e0ac1cf9..22a2ebe40f9f 100644
--- a/third_party/2and3/retry/api.pyi
+++ b/third_party/2and3/retry/api.pyi
@@ -11,8 +11,8 @@ def retry_call(
     fkwargs: Optional[Dict[str, Any]] = ...,
     exceptions: Union[Type[Exception], Tuple[Type[Exception], ...]] = ...,
     tries: int = ...,
-    delay: int = ...,
-    max_delay: Optional[int] = ...,
+    delay: float = ...,
+    max_delay: Optional[float] = ...,
     backoff: int = ...,
     jitter: int = ...,
     logger: Optional[Logger] = ...,
@@ -20,8 +20,8 @@ def retry_call(
 def retry(
     exceptions: Union[Type[Exception], Tuple[Type[Exception], ...]] = ...,
     tries: int = ...,
-    delay: int = ...,
-    max_delay: Optional[int] = ...,
+    delay: float = ...,
+    max_delay: Optional[float] = ...,
     backoff: int = ...,
     jitter: int = ...,
     logger: Optional[Logger] = ...,