diff --git a/atomics/used_guids.txt b/atomics/used_guids.txt
index 834a6cd3..5583c396 100644
--- a/atomics/used_guids.txt
+++ b/atomics/used_guids.txt
@@ -930,3 +930,4 @@ a4637291-40b1-4a96-8c82-b28f1d73e54e
 9dc7767b-30c1-4cc4-b999-50cab5e27891
 94ea9cc3-81f9-4111-8dde-3fb54f36af4b
 f650456b-bd49-4bc1-ae9d-271b5b9581e7
+66e647d1-8741-4e43-b7c1-334760c2047f