diff -r 4b62b815b4f4 -r 55272cc70514 make/data/tzdata/VERSION
--- a/make/data/tzdata/VERSION	Tue Jan 30 19:13:26 2018 -0800
+++ b/make/data/tzdata/VERSION	Wed Jan 31 22:55:12 2018 -0800
@@ -21,4 +21,4 @@
 # or visit www.oracle.com if you need additional information or have any
 # questions.
 #
-tzdata2017c
+tzdata2018c