diff --git a/stubs/hdbcli/METADATA.toml b/stubs/hdbcli/METADATA.toml
index 77829fb62..cbdd4b60f 100644
--- a/stubs/hdbcli/METADATA.toml
+++ b/stubs/hdbcli/METADATA.toml
@@ -1,2 +1,2 @@
-version = "2.20.*"
+version = "2.21.*"
 # upstream_repository = closed-source
diff --git a/stubs/hdbcli/hdbcli/dbapi.pyi b/stubs/hdbcli/hdbcli/dbapi.pyi
index c9fb23f17..4ba75f81b 100644
--- a/stubs/hdbcli/hdbcli/dbapi.pyi
+++ b/stubs/hdbcli/hdbcli/dbapi.pyi
@@ -38,6 +38,7 @@ class Connection:
     def rollback(self) -> None: ...
     def setautocommit(self, auto: bool = ...) -> None: ...
     def setclientinfo(self, key: str, value: str | None = ...) -> None: ...
+    def ontrace(self) -> None: ...
 
 connect = Connection