diff --git a/composer.json b/composer.json
index 64df3ccb..9ba946bc 100644
--- a/composer.json
+++ b/composer.json
@@ -9,7 +9,8 @@
         "league/event": "^2.1",
         "lcobucci/jwt": "^3.1",
         "paragonie/random_compat": "^1.1 || ^2.0",
-        "psr/http-message": "^1.0"
+        "psr/http-message": "^1.0",
+        "league/openid-connect-claims": "^1.1.0"
     },
     "require-dev": {
         "phpunit/phpunit": "^4.8 || ^5.0",