diff --git a/phpunit.xml.dist b/phpunit.xml.dist
index 6cd8787..38df71a 100644
--- a/phpunit.xml.dist
+++ b/phpunit.xml.dist
@@ -12,6 +12,6 @@
         </whitelist>
     </filter>
     <php>
-        <ini name="memory_limit" value="256M"/>
+        <ini name="memory_limit" value="1024M"/>
     </php>
 </phpunit>