diff --git a/ports/atmel-samd/asf4 b/ports/atmel-samd/asf4
index 02e264253c..cdde379f78 160000
--- a/ports/atmel-samd/asf4
+++ b/ports/atmel-samd/asf4
@@ -1 +1 @@
-Subproject commit 02e264253c76b85c567ecdfce69ad0de0970da63
+Subproject commit cdde379f78989436590a556cadbc0e201666ee04