diff --git a/stdlib/gzip.pyi b/stdlib/gzip.pyi
index 1ec8b4b8c..d001849e6 100644
--- a/stdlib/gzip.pyi
+++ b/stdlib/gzip.pyi
@@ -139,8 +139,10 @@ class GzipFile(_compression.BaseStream):
         fileobj: _ReadableFileobj | _WritableFileobj | None = None,
         mtime: float | None = None,
     ) -> None: ...
-    @property
-    def filename(self) -> str: ...
+    if sys.version_info < (3, 12):
+        @property
+        def filename(self) -> str: ...
+
     @property
     def mtime(self) -> int | None: ...
     crc: int
diff --git a/tests/stubtest_allowlists/py312.txt b/tests/stubtest_allowlists/py312.txt
index 85ce2b301..d5134b7e7 100644
--- a/tests/stubtest_allowlists/py312.txt
+++ b/tests/stubtest_allowlists/py312.txt
@@ -12,7 +12,6 @@ enum.Enum.__signature__
 enum.EnumMeta.__call__
 enum.EnumType.__call__
 enum.property.member
-gzip.GzipFile.filename
 http.client.HTTPConnection.get_proxy_response_headers
 imaplib.IMAP4_SSL.__init__
 importlib.abc.Finder