diff --git a/composer.json b/composer.json
index b4581f3..45860b2 100644
--- a/composer.json
+++ b/composer.json
@@ -45,7 +45,8 @@
         "flarum/flarum-ext-sticky": "^0.1.0",
         "flarum/flarum-ext-subscriptions": "^0.1.0",
         "flarum/flarum-ext-suspend": "^0.1.0",
-        "flarum/flarum-ext-tags": "^0.1.0"
+        "flarum/flarum-ext-tags": "^0.1.0",
+        "wuethrich44/flarum-ext-sso": "^1.1"
     },
     "require-dev": {
         "franzl/studio": "^0.11.0"