diff --git a/stdlib/3/_thread.pyi b/stdlib/3/_thread.pyi
index fb45d933f..a8e38a91a 100644
--- a/stdlib/3/_thread.pyi
+++ b/stdlib/3/_thread.pyi
@@ -12,3 +12,4 @@ class LockType:
     def release(self) -> None: ...
 
 def allocate_lock() -> LockType: ...
+def get_ident() -> int: ...