diff --git a/stubs/frozendict/METADATA.toml b/stubs/frozendict/METADATA.toml
index 58bc38349..6d1bf4d3c 100644
--- a/stubs/frozendict/METADATA.toml
+++ b/stubs/frozendict/METADATA.toml
@@ -1 +1,2 @@
 version = "2.0.*"
+obsolete_since = "2.2.0"