diff --git a/composer.json b/composer.json
index 404f635..57a5c02 100644
--- a/composer.json
+++ b/composer.json
@@ -19,7 +19,7 @@
     },
     "require":{
         "php":">=5.4",
-        "contao/core":">=3.2,<3.5-dev"
+        "contao/core":">=3.2,<3.6-dev"
     },
     "suggest": {
         "netzmacht/contao-leaflet-maps": "Leaflet maps integration into Contao CMS"