diff --git a/library.json b/library.json
index 83399c4..e0bb18f 100644
--- a/library.json
+++ b/library.json
@@ -3,7 +3,7 @@
   "description": "Let your students train their listening comprehension and spelling",
   "majorVersion": 1,
   "minorVersion": 0,
-  "patchVersion": 3,
+  "patchVersion": 4,
   "runnable": 1,
   "embedTypes": ["iframe"],
   "author": "Oliver Tacke",