diff --git a/stubs/prettytable/METADATA.toml b/stubs/prettytable/METADATA.toml
index 0282a298d..ff9007eee 100644
--- a/stubs/prettytable/METADATA.toml
+++ b/stubs/prettytable/METADATA.toml
@@ -1,4 +1,5 @@
 version = "3.4.*"
+obsolete_since = "3.5.0" # Released on 2022-10-28
 
 [tool.stubtest]
 ignore_missing_stub = false