diff --git a/package.json b/package.json
index 6d578d1c..792979aa 100644
--- a/package.json
+++ b/package.json
@@ -7,6 +7,6 @@
   ],
   "dependencies": {
     "de.basisprofil.r4": "1.5.0",
-    "de.gematik.isik-basismodul": "4.0.0"
+    "de.gematik.isik-basismodul": "4.0.x"
   }
 }