diff --git a/stdlib/stat.pyi b/stdlib/stat.pyi
index 6fd2bc081..d6450fe77 100644
--- a/stdlib/stat.pyi
+++ b/stdlib/stat.pyi
@@ -9,6 +9,9 @@ def S_ISLNK(mode: int) -> bool: ...
 def S_ISSOCK(mode: int) -> bool: ...
 def S_IMODE(mode: int) -> int: ...
 def S_IFMT(mode: int) -> int: ...
+def S_ISDOOR(mode: int) -> int: ...
+def S_ISPORT(mode: int) -> int: ...
+def S_ISWHT(mode: int) -> int: ...
 def filemode(mode: int) -> str: ...
 
 ST_MODE: int
@@ -29,6 +32,9 @@ S_IFBLK: int
 S_IFDIR: int
 S_IFCHR: int
 S_IFIFO: int
+S_IFDOOR: int
+S_IFPORT: int
+S_IFWHT: int
 S_ISUID: int
 S_ISGID: int
 S_ISVTX: int