Upgrade version

Change-Id: I318eb9258e574a6d0beb28b2af664398453a2c26
diff --git a/Changes b/Changes
index 1c38987..d2904dc 100755
--- a/Changes
+++ b/Changes
@@ -1,8 +1,9 @@
-0.22 2017-05-17
+0.22 2017-06-01
         - Added user authentification using Kustvakts LDAP
           connection.
         - Added X-Forwarded-For.
         - Introduced proxy_prefix as a configuration option.
+        - Added support for more rewrite options.
 
 0.21 2017-02-01
         - Use textSigle for API communication instead of
diff --git a/package.json b/package.json
index dfefab8..af67d99 100755
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "Kalamar",
   "description": "Mojolicious-based Frontend for KorAP",
   "license" : "BSD-2-Clause",
-  "version": "0.21.2",
+  "version": "0.21.3",
   "repository" : {
     "type": "git",
     "url": "https://github.com/KorAP/Kalamar.git"