diff --git a/matter_server/server/stack.py b/matter_server/server/stack.py
index 7a356dd5..967736f7 100644
--- a/matter_server/server/stack.py
+++ b/matter_server/server/stack.py
@@ -70,4 +70,5 @@ def shutdown(self) -> None:
         """Stop/Shutdown Matter Stack."""
         self.logger.info("Shutting down the Matter stack...")
         # NOTE that this will abruptly end the python process!
+        self.certificate_authority_manager.Shutdown()
         self._chip_stack.Shutdown()