diff --git a/drgn/helpers/common/stack.py b/drgn/helpers/common/stack.py
index 5a0c02f89..a9d73d911 100644
--- a/drgn/helpers/common/stack.py
+++ b/drgn/helpers/common/stack.py
@@ -1,5 +1,5 @@
 # Copyright (c) Meta Platforms, Inc. and affiliates.
-# SPDX-License-Identifier: GPL-3.0-or-later
+# SPDX-License-Identifier: LGPL-2.1-or-later
 
 """
 Stack