diff --git a/composer.json b/composer.json
index f4ea5de0c73..18a71385b5a 100644
--- a/composer.json
+++ b/composer.json
@@ -20,7 +20,7 @@
         "mike42/escpos-php": "dev-master",
         "mobiledetect/mobiledetectlib": "2.8.17",
         "phpoffice/phpexcel": "1.8.1",
-        "restler/framework": "^3.0",
+        "restler/framework": "^3.0.0-RC6",
         "tecnickcom/tcpdf": "6.2.12"
     },
     "require-dev": {