diff --git a/stubs/babel/METADATA.toml b/stubs/babel/METADATA.toml
index 855c0866c..db7a131a8 100644
--- a/stubs/babel/METADATA.toml
+++ b/stubs/babel/METADATA.toml
@@ -1,5 +1,6 @@
 version = "2.11.*"
 requires = ["types-pytz"]
+obsolete_since = "2.12.0" # Released on 2023-02-28
 
 [tool.stubtest]
 ignore_missing_stub = true