diff --git a/rtclib b/rtclib
index 4cf345f..55ef530 160000
--- a/rtclib
+++ b/rtclib
@@ -1 +1 @@
-Subproject commit 4cf345fc30e058d85ab0bde105f451d05bf90dd7
+Subproject commit 55ef53077c0bdaa2130c084c6f889459562d423c