diff --git a/Doc/library/typing.rst b/Doc/library/typing.rst
index 8c179ff79d15fa..046f5e0f2d9eb8 100644
--- a/Doc/library/typing.rst
+++ b/Doc/library/typing.rst
@@ -1020,6 +1020,8 @@ The module defines the following classes, functions and decorators:
    ``List[ForwardRef("SomeClass")]``.  This class should not be instantiated by
    a user, but may be used by introspection tools.
 
+  .. versionadded:: 3.7.4
+
 .. function:: NewType(name, tp)
 
    A helper function to indicate a distinct type to a typechecker,