diff --git a/.github/workflows/grumphp.yml b/.github/workflows/grumphp.yml
index fbaf7537..b91b8916 100644
--- a/.github/workflows/grumphp.yml
+++ b/.github/workflows/grumphp.yml
@@ -42,4 +42,4 @@ jobs:
                   git config --global user.email "you@example.com"
                   git config --global user.name "Your Name"
             - name: Run the tests
-              run: php vendor/bin/grumphp run --no-interaction
+              run: php vendor/bin/grumphp run --no-interaction -vvv
diff --git a/composer.json b/composer.json
index e2667118..f6532aae 100644
--- a/composer.json
+++ b/composer.json
@@ -16,10 +16,10 @@
         "azjezz/psl": "^3.0",
         "laminas/laminas-code": "^4.14.0",
         "php-soap/cached-engine": "~0.3",
-        "php-soap/engine": "^2.13.0",
-        "php-soap/encoding": "~0.13",
+        "php-soap/engine": "^2.14.0",
+        "php-soap/encoding": "~0.14",
         "php-soap/psr18-transport": "^1.7",
-        "php-soap/wsdl-reader": "~0.19",
+        "php-soap/wsdl-reader": "~0.20",
         "psr/event-dispatcher": "^1.0",
         "psr/log": "^1.0 || ^2.0 || ^3.0",
         "symfony/console": "~5.4 || ~6.0 || ~7.0",
@@ -35,7 +35,7 @@
         "phpro/grumphp-shim": "^2.9",
         "phpspec/phpspec": "~7.2",
         "phpspec/prophecy-phpunit": "^2.0.1",
-        "phpstan/phpstan": "^1.12.7",
+        "phpstan/phpstan": "1.12.7",
         "phpunit/phpunit": "~10.5.37",
         "squizlabs/php_codesniffer": "^3.7.1",
         "symfony/cache": "^6.4 || ^7.0"
diff --git a/src/Phpro/SoapClient/CodeGenerator/Util/Normalizer.php b/src/Phpro/SoapClient/CodeGenerator/Util/Normalizer.php
index 2d6b3950..be483b8e 100644
--- a/src/Phpro/SoapClient/CodeGenerator/Util/Normalizer.php
+++ b/src/Phpro/SoapClient/CodeGenerator/Util/Normalizer.php
@@ -12,7 +12,7 @@
 class Normalizer
 {
     private static $normalizations = [
-        'any' => 'mixed',
+        'any' => 'string',
         'anytype' => 'mixed',
         'anyxml' => 'string',
         'anysimpletype' => 'mixed',