diff --git a/composer.json b/composer.json
index b27c4e6..84aedd0 100644
--- a/composer.json
+++ b/composer.json
@@ -28,7 +28,7 @@
         "league/flysystem": "^1.0.",
         "league/oauth2-server": "^8.0",
         "league/route": "^4.5",
-        "pdsinterop/flysystem-rdf": "dev-dev",
+        "pdsinterop/flysystem-rdf": "dev-master",
         "pdsinterop/solid-auth": "dev-master",
         "pdsinterop/solid-crud": "dev-master",
         "php-http/httplug": "^2.1",