diff --git a/stubs/croniter/METADATA.toml b/stubs/croniter/METADATA.toml
index 43815f54f..bbe361be9 100644
--- a/stubs/croniter/METADATA.toml
+++ b/stubs/croniter/METADATA.toml
@@ -1,2 +1,2 @@
-version = "3.0.4"
+version = "4.0.0"
 upstream_repository = "https://github.com/kiorky/croniter"