diff --git a/stdlib/3.7/contextvars.pyi b/stdlib/3.7/contextvars.pyi
index 429d2037a..810b699b6 100644
--- a/stdlib/3.7/contextvars.pyi
+++ b/stdlib/3.7/contextvars.pyi
@@ -1,16 +1,20 @@
 import sys
-from typing import Any, Callable, ClassVar, Generic, Iterator, Mapping, TypeVar
+from typing import Any, Callable, ClassVar, Generic, Iterator, Mapping, TypeVar, Union, overload
 
 if sys.version_info >= (3, 9):
     from types import GenericAlias
 
 _T = TypeVar("_T")
+_D = TypeVar("_D")
 
 class ContextVar(Generic[_T]):
     def __init__(self, name: str, *, default: _T = ...) -> None: ...
     @property
     def name(self) -> str: ...
-    def get(self, default: _T = ...) -> _T: ...
+    @overload
+    def get(self) -> _T: ...
+    @overload
+    def get(self, default: Union[_D, _T]) -> Union[_D, _T]: ...
     def set(self, value: _T) -> Token[_T]: ...
     def reset(self, token: Token[_T]) -> None: ...
     if sys.version_info >= (3, 9):
diff --git a/tests/stubtest_whitelists/py37.txt b/tests/stubtest_whitelists/py37.txt
index b3070038b..8319eb0b5 100644
--- a/tests/stubtest_whitelists/py37.txt
+++ b/tests/stubtest_whitelists/py37.txt
@@ -23,6 +23,7 @@ collections.abc.AsyncGenerator.ag_frame
 collections.abc.AsyncGenerator.ag_running
 contextvars.Context.__init__
 contextvars.Context.get
+contextvars.ContextVar.get
 copy.PyStringMap
 ctypes.CDLL.__init__
 dataclasses.Field.__init__