--- old/make/data/tzdata/leapseconds	2017-03-02 14:07:48.763361001 +0530
+++ new/make/data/tzdata/leapseconds	2017-03-02 14:07:48.627361001 +0530
@@ -81,5 +81,5 @@
 Leap	2015	Jun	30	23:59:60	+	S
 Leap	2016	Dec	31	23:59:60	+	S
 
-#	Updated through IERS Bulletin C52
-#	File expires on:  28 June 2017
+#	Updated through IERS Bulletin C53
+#	File expires on:  28 December 2017