diff --git a/composer.json b/composer.json
index c5f815163cac86de18fbed16fbcde7fcdd1907af..c96ff6429256603fa718d1438269fa1f99247e2e 100644
--- a/composer.json
+++ b/composer.json
@@ -8,7 +8,7 @@
   ],
   "license": "BSD-3-Clause",
   "require": {
-    "simplesamlphp/simplesamlphp": "~1.17",
+    "simplesamlphp/simplesamlphp": "~2.0",
     "simplesamlphp/composer-module-installer": "~1.0"
   },
   "config": {