diff --git a/stubs/filelock/METADATA.toml b/stubs/filelock/METADATA.toml
index 38c94680a..c5f4b53aa 100644
--- a/stubs/filelock/METADATA.toml
+++ b/stubs/filelock/METADATA.toml
@@ -1 +1,2 @@
 version = "3.2.*"
+obsolete_since = "3.3.0"