diff --git a/phpunit.xml b/phpunit.xml
index 5e6edca4..badabfb0 100644
--- a/phpunit.xml
+++ b/phpunit.xml
@@ -43,5 +43,7 @@
         <env name="NEWSLETTER_URL" value="null"/>
         <env name="PASSPORT_PERSONAL_ACCESS_CLIENT_ID" value="null"/>
         <env name="PASSPORT_PERSONAL_ACCESS_CLIENT_SECRET" value="null"/>
+        <env name="PADDLE_API_KEY" value="test_phpunit_paddle_api_key"/>
+        <env name="PADDLE_SANDBOX" value="true"/>
     </php>
 </phpunit>