diff --git a/composer.json b/composer.json
index ec71006..4915501 100644
--- a/composer.json
+++ b/composer.json
@@ -22,7 +22,7 @@
     "require": {
         "php": "^8.1",
 
-        "simplesamlphp/saml2": "^4.6",
+        "simplesamlphp/saml2": "^5.0",
         "simplesamlphp/simplesamlphp": "^2.1",
         "symfony/http-foundation": "^6.4"
     },