diff --git a/stdlib/@python2/platform.pyi b/stdlib/@python2/platform.pyi
index cccb024d4..44bbe4d62 100644
--- a/stdlib/@python2/platform.pyi
+++ b/stdlib/@python2/platform.pyi
@@ -19,9 +19,13 @@ class _popen:
     __del__: Any
 
 def popen(cmd, mode=..., bufsize: Optional[Any] = ...): ...
-def win32_ver(release=..., version=..., csd=..., ptype=...): ...
-def mac_ver(release=..., versioninfo=..., machine=...): ...
-def java_ver(release=..., vendor=..., vminfo=..., osinfo=...): ...
+def win32_ver(release: str = ..., version: str = ..., csd: str = ..., ptype: str = ...) -> Tuple[str, str, str, str]: ...
+def mac_ver(
+    release: str = ..., versioninfo: Tuple[str, str, str] = ..., machine: str = ...
+) -> Tuple[str, Tuple[str, str, str], str]: ...
+def java_ver(
+    release: str = ..., vendor: str = ..., vminfo: Tuple[str, str, str] = ..., osinfo: Tuple[str, str, str] = ...
+) -> Tuple[str, str, Tuple[str, str, str], Tuple[str, str, str]]: ...
 def system_alias(system, release, version): ...
 def architecture(executable=..., bits=..., linkage=...) -> Tuple[str, str]: ...
 def uname() -> Tuple[str, str, str, str, str, str]: ...