diff --git a/Test/Unit/Validator/SameSiteTest.php b/Test/Unit/Validator/SameSiteTest.php
index 6f54ade..b6d5078 100644
--- a/Test/Unit/Validator/SameSiteTest.php
+++ b/Test/Unit/Validator/SameSiteTest.php
@@ -18,7 +18,7 @@ class SameSiteTest extends TestCase
     /**
      * setup test
      */
-    public function setUp()
+    public function setUp() :void
     {
         $this->validator = new SameSite();
     }
diff --git a/composer.json b/composer.json
index 1f9d647..2894323 100644
--- a/composer.json
+++ b/composer.json
@@ -6,7 +6,7 @@
         "AFL-3.0"
     ],
     "description":"Magento2 extension for Cookie SameSite attribute.",
-    "version":"3.0.2",
+    "version":"3.0.3",
     "authors":[
         {
             "name":"Hirokazu Nishi",