diff --git a/stubs/urllib3/urllib3/response.pyi b/stubs/urllib3/urllib3/response.pyi
index f5b8d25cb..c68cd3ebf 100644
--- a/stubs/urllib3/urllib3/response.pyi
+++ b/stubs/urllib3/urllib3/response.pyi
@@ -99,4 +99,4 @@ class HTTPResponse(io.IOBase):
     def readinto(self, b: bytearray) -> int: ...
     def supports_chunked_reads(self) -> bool: ...
     def read_chunked(self, amt: int | None = ..., decode_content: bool | None = ...) -> Iterator[bytes]: ...
-    def geturl(self) -> bool | str: ...
+    def geturl(self) -> str | None: ...