diff --git a/composer.json b/composer.json
index 7024d6c..a7e20b9 100644
--- a/composer.json
+++ b/composer.json
@@ -12,7 +12,7 @@
     ],
     "repositories" : [
         {
-            "type" : "vcs", 
+            "type" : "vcs",
             "url" : "https://usrpath@bitbucket.org/usrpath/bsrutils.git"
         }
     ],
@@ -27,7 +27,6 @@
     },
     "require-dev": {
         "bsr/utils" : "dev-master",
-        "pds/skeleton": "^1.0",
-        "phpunit/phpunit": "^6"
+        "phpunit/phpunit": "^8"
     }
 }
diff --git a/src/Webservice/WebService.php b/src/Webservice/WebService.php
index 2818b1c..74e7052 100644
--- a/src/Webservice/WebService.php
+++ b/src/Webservice/WebService.php
@@ -117,7 +117,7 @@ abstract class WebService
             'func' => $this->func.'('.implode(', ', $params).')',
         ));
 
-        return call_user_func_array(array($this, $this->func), $params);
+        return call_user_func_array(array($this, $this->func), array_values($params));
     }
 
     /**