diff --git a/composer.json b/composer.json
index 6508f7d..0005ad3 100755
--- a/composer.json
+++ b/composer.json
@@ -14,7 +14,7 @@
     ],
     "require": {
         "geshi/geshi": "~1.0",
-        "neos/neos": "~3.0"
+        "neos/neos": "~4.0"
     },
     "autoload": {
         "psr-4": {