diff --git a/caribou/caribou.SlackBuild b/caribou/caribou.SlackBuild
index dc18581..4e063b3 100644
--- a/caribou/caribou.SlackBuild
+++ b/caribou/caribou.SlackBuild
@@ -2,7 +2,7 @@
 
 # Slackware build script for caribou
 
-# Copyright 2014-2016 Willy Sudiarto Raharjo <willysr@slackware-id.org>
+# Copyright 2014-2017 Willy Sudiarto Raharjo <willysr@slackware-id.org>
 # All rights reserved.
 #
 # Redistribution and use of this script, with or without modification, is
@@ -23,7 +23,7 @@
 #  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 PRGNAM=caribou
-VERSION=${VERSION:-0.4.20}
+VERSION=${VERSION:-0.4.21}
 BUILD=${BUILD:-1}
 TAG=${TAG:-_csb}