diff --git a/ports/atmel-samd/asf4 b/ports/atmel-samd/asf4
index cdde379f78..88a67f9c83 160000
--- a/ports/atmel-samd/asf4
+++ b/ports/atmel-samd/asf4
@@ -1 +1 @@
-Subproject commit cdde379f78989436590a556cadbc0e201666ee04
+Subproject commit 88a67f9c83eeb225fe65f596078f8aaa3f6de1ec