diff --git a/stubs/assertpy/METADATA.toml b/stubs/assertpy/METADATA.toml
index 506bfdd1124b..16f4b2b8cbfa 100644
--- a/stubs/assertpy/METADATA.toml
+++ b/stubs/assertpy/METADATA.toml
@@ -1,2 +1,3 @@
 version = "1.1.*"
 upstream-repository = "https://github.com/assertpy/assertpy"
+obsolete-since = {version = "2.35.0", date = "2026-11-01"}