diff --git a/stubs/pytz/pytz/tzinfo.pyi b/stubs/pytz/pytz/tzinfo.pyi
index d60864ec0..c2c685268 100644
--- a/stubs/pytz/pytz/tzinfo.pyi
+++ b/stubs/pytz/pytz/tzinfo.pyi
@@ -19,8 +19,8 @@ class BaseTzInfo(datetime.tzinfo):
 
 class StaticTzInfo(BaseTzInfo):
     def fromutc(self, dt: datetime.datetime) -> datetime.datetime: ...
-    def localize(self, dt: datetime.datetime, is_dst: bool = ...) -> datetime.datetime: ...
-    def normalize(self, dt: datetime.datetime, is_dst: bool = ...) -> datetime.datetime: ...
+    def localize(self, dt: datetime.datetime, is_dst: bool | None = ...) -> datetime.datetime: ...
+    def normalize(self, dt: datetime.datetime, is_dst: bool | None = ...) -> datetime.datetime: ...
     def tzname(self, dt: datetime.datetime | None, is_dst: bool | None = ...) -> str: ...
     def utcoffset(self, dt: datetime.datetime | None, is_dst: bool | None = ...) -> datetime.timedelta: ...
     def dst(self, dt: datetime.datetime | None, is_dst: bool | None = ...) -> datetime.timedelta: ...