diff --git a/rtclib b/rtclib
index 35bbb45..9a047c3 160000
--- a/rtclib
+++ b/rtclib
@@ -1 +1 @@
-Subproject commit 35bbb45bc05fc79c0866cb3b949c7025b199957e
+Subproject commit 9a047c3cc52022da35eeb30cf7287c879a161a6e