diff --git a/Controller.php b/Controller.php
index 02440b6..259a8be 100644
--- a/Controller.php
+++ b/Controller.php
@@ -36,14 +36,15 @@ class Controller extends \Piwik\Plugin\Controller
     private $colorRegex = '/^(?:[0-9a-fA-F]{3}){1,2}$/m';
 
     public function svg() {
-        $idSite = Common::getRequestVar('idSite', $this->idSite, 'int');
-        $mode = Common::getRequestVar('mode', "nb_visits", 'string');
+        $request = \Piwik\Request::fromRequest();
+        $idSite = $request->getIntegerParameter('idSite', $this->idSite);
+        $mode = $request->getStringParameter('mode', "nb_visits");
         $colors = [
-            "backgroundColor" => Common::getRequestVar('backgroundColor', "000", 'string'),
-            "foregroundColor" => Common::getRequestVar('foregroundColor', "f00", 'string'),
-            "lightColor" => Common::getRequestVar('lightColor', "222", 'string'),
+            "backgroundColor" => $request->getStringParameter('backgroundColor', "000"),
+            "foregroundColor" => $request->getStringParameter('foregroundColor', "f00"),
+            "lightColor" => $request->getStringParameter('lightColor', "222"),
         ];
-        $historicValue = Common::getRequestVar('historicValue', 0, 'int');
+        $historicValue = $request->getIntegerParameter('historicValue', 0);
         try {
             if (!in_array($mode, $this->modes)) {
                 $modestring = implode(", ", $this->modes);
diff --git a/plugin.json b/plugin.json
index 82fc0fc..73869ad 100644
--- a/plugin.json
+++ b/plugin.json
@@ -1,10 +1,10 @@
 {
   "name": "ClassicCounter",
   "description": "Embed a view counter in the style of classic CGI scripts into your website",
-  "version": "0.3.2",
+  "version": "0.4.0",
   "theme": false,
   "require": {
-    "matomo": ">=4.0.0-b1,<5.0.0-b1"
+    "matomo": ">=5.0.0-b1,<6.0.0-b1"
   },
   "authors": [
     {