diff --git a/composer.lock b/composer.lock
index a1627c11..7ad455ea 100644
--- a/composer.lock
+++ b/composer.lock
@@ -3374,16 +3374,16 @@
         },
         {
             "name": "simplesamlphp/saml2",
-            "version": "v4.16.14",
+            "version": "v4.17.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/simplesamlphp/saml2.git",
-                "reference": "fe6c7bdda5e166e326d19d78f230d959ab51d01d"
+                "reference": "bdf16d1021363a0819c35806124a20e74a78c2c9"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/simplesamlphp/saml2/zipball/fe6c7bdda5e166e326d19d78f230d959ab51d01d",
-                "reference": "fe6c7bdda5e166e326d19d78f230d959ab51d01d",
+                "url": "https://api.github.com/repos/simplesamlphp/saml2/zipball/bdf16d1021363a0819c35806124a20e74a78c2c9",
+                "reference": "bdf16d1021363a0819c35806124a20e74a78c2c9",
                 "shasum": ""
             },
             "require": {
@@ -3429,9 +3429,9 @@
             "description": "SAML2 PHP library from SimpleSAMLphp",
             "support": {
                 "issues": "https://github.com/simplesamlphp/saml2/issues",
-                "source": "https://github.com/simplesamlphp/saml2/tree/v4.16.14"
+                "source": "https://github.com/simplesamlphp/saml2/tree/v4.17.0"
             },
-            "time": "2024-12-01T22:26:30+00:00"
+            "time": "2025-03-11T17:35:33+00:00"
         },
         {
             "name": "surfnet/stepup-bundle",
@@ -12237,9 +12237,9 @@
         "ext-openssl": "*",
         "ext-pdo": "*"
     },
-    "platform-dev": {},
+    "platform-dev": [],
     "platform-overrides": {
         "php": "8.2"
     },
-    "plugin-api-version": "2.6.0"
+    "plugin-api-version": "2.3.0"
 }