diff --git a/rtclib b/rtclib
index 69a7427..ded9497 160000
--- a/rtclib
+++ b/rtclib
@@ -1 +1 @@
-Subproject commit 69a7427ed59bd2177671eabf0df999b98b008ae0
+Subproject commit ded949753bcbbbd4b6d6bdd373ecde28fe569b6e