diff --git a/configure.ac b/configure.ac
index 60f21c7..96f5d49 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
 AC_INIT(
     [arc-theme],
-    [20171105],
+    [20180114],
     [https://github.com/horst3180/Arc-theme/issues],
     [arc-theme],
     [https://github.com/horst3180/Arc-theme],