diff --git a/composer.json b/composer.json
index 4afa4a1..c3771aa 100644
--- a/composer.json
+++ b/composer.json
@@ -24,7 +24,7 @@
 	"description" : "Wiremock extension for Codeception",
 	"license" : "GPL-3.0+",
 	"require" : {
-		"php" : ">=5.6",
+		"php" : ">=7.4",
 		"codeception/codeception" : "^2.0.0 || ^3.0.0 || ^4.0.0 || ^5.0.0",
 		"wiremock-php/wiremock-php" : "^2.18"
 	},
diff --git a/src/Module/WireMock.php b/src/Module/WireMock.php
index f6c39c4..988346e 100644
--- a/src/Module/WireMock.php
+++ b/src/Module/WireMock.php
@@ -30,7 +30,7 @@ class WireMock extends CodeceptionModule
      */
     private $wireMock;
 
-    protected $config = [
+    protected array $config = [
         'host' => 'localhost',
         'port' => '8080'
     ];