diff --git a/stubs/caldav/METADATA.toml b/stubs/caldav/METADATA.toml
index b25dcd0fe4a0..ecae88f0ba85 100644
--- a/stubs/caldav/METADATA.toml
+++ b/stubs/caldav/METADATA.toml
@@ -3,6 +3,7 @@ upstream_repository = "https://github.com/python-caldav/caldav"
 # also types-lxml and types-icalendar when those stubs are added
 requires = ["types-requests", "types-vobject"]
 partial_stub = true
+obsolete_since = "1.4.0" # Released on 2024-11-05
 
 [tool.stubtest]
 ignore_missing_stub = true