diff --git a/composer.json b/composer.json
index 4407dd4..1f17a12 100644
--- a/composer.json
+++ b/composer.json
@@ -39,9 +39,9 @@
         "simplesamlphp/assert": "~1.8.2",
         "simplesamlphp/composer-module-installer": "~1.4.0",
         "simplesamlphp/simplesamlphp": "~2.4.2",
-        "simplesamlphp/xml-cas": "~2.0.0",
-        "simplesamlphp/xml-common": "~2.0.0",
-        "simplesamlphp/xml-soap": "~2.0.0",
+        "simplesamlphp/xml-cas": "~1.3",
+        "simplesamlphp/xml-common": "~1.17",
+        "simplesamlphp/xml-soap": "~1.5",
         "symfony/http-foundation": "~6.4.0",
         "symfony/http-kernel": "~6.4.0",
         "simplesamlphp/saml11": "~1.2.5"
@@ -54,11 +54,8 @@
         "source": "https://github.com/simplesamlphp/simplesamlphp-module-casserver"
     },
     "scripts": {
-        "validate": [
+        "verify": [
             "vendor/bin/phpcs -p",
-            "vendor/bin/composer-require-checker check --config-file=tools/composer-require-checker.json composer.json",
-            "vendor/bin/psalm -c psalm-dev.xml",
-            "vendor/bin/composer-unused",
             "vendor/bin/phpunit --no-coverage --testdox"
         ],
         "tests": [
diff --git a/src/Controller/Cas20Controller.php b/src/Controller/Cas20Controller.php
index 00477d8..76de66a 100644
--- a/src/Controller/Cas20Controller.php
+++ b/src/Controller/Cas20Controller.php
@@ -4,7 +4,6 @@
 
 namespace SimpleSAML\Module\casserver\Controller;
 
-use Exception;
 use SimpleSAML\CAS\Constants as C;
 use SimpleSAML\Configuration;
 use SimpleSAML\Logger;
diff --git a/src/Controller/LoginController.php b/src/Controller/LoginController.php
index 2b7c4f8..91e3268 100644
--- a/src/Controller/LoginController.php
+++ b/src/Controller/LoginController.php
@@ -28,9 +28,9 @@
 use Symfony\Component\HttpKernel\Attribute\AsController;
 use Symfony\Component\HttpKernel\Attribute\MapQueryParameter;
 
-use in_array;
-use http_build_query;
-use var_export;
+use function http_build_query;
+use function in_array;
+use function var_export;
 
 #[AsController]
 class LoginController