diff --git a/stdlib/2and3/datetime.pyi b/stdlib/2and3/datetime.pyi
index d285a61a9..5e6b82c89 100644
--- a/stdlib/2and3/datetime.pyi
+++ b/stdlib/2and3/datetime.pyi
@@ -106,6 +106,9 @@ class time:
     def __gt__(self, other: time) -> bool: ...
     def __hash__(self) -> int: ...
     def isoformat(self) -> str: ...
+    if sys.version_info >= (3, 7):
+        @classmethod
+        def fromisoformat(cls, time_string: str) -> time: ...
     def strftime(self, fmt: _Text) -> str: ...
     if sys.version_info >= (3,):
         def __format__(self, fmt: str) -> str: ...