Fixed text sigle legacy support

Change-Id: I227b855b80bf1bc7d9c59e1d2347adfed622774b
diff --git a/package.json b/package.json
index af67d99..117edb7 100755
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "Kalamar",
   "description": "Mojolicious-based Frontend for KorAP",
   "license" : "BSD-2-Clause",
-  "version": "0.21.3",
+  "version": "0.22.1",
   "repository" : {
     "type": "git",
     "url": "https://github.com/KorAP/Kalamar.git"