diff --git a/examples/testusbhostFAT/RTClib b/examples/testusbhostFAT/RTClib
index 7fd6a306..31e9226c 160000
--- a/examples/testusbhostFAT/RTClib
+++ b/examples/testusbhostFAT/RTClib
@@ -1 +1 @@
-Subproject commit 7fd6a306ca53d08bf53b2bbfc1b80eb056f2c55b
+Subproject commit 31e9226c2098f9d516c4fe05befe07f542ee5740