diff --git a/src/panda_util b/src/panda_util
index 5f4e7dd9b661b97e0930a707b16b581ee59a98fc..aefc52f7001702b6e1ad067cea1760646e444af7 160000
--- a/src/panda_util
+++ b/src/panda_util
@@ -1 +1 @@
-Subproject commit 5f4e7dd9b661b97e0930a707b16b581ee59a98fc
+Subproject commit aefc52f7001702b6e1ad067cea1760646e444af7