diff --git a/_constraints b/_constraints
index 7a361dd..8467694 100644
--- a/_constraints
+++ b/_constraints
@@ -2,7 +2,7 @@
 <constraints>
   <hardware>
     <memory>
-      <size unit="M">8000</size>
+      <size unit="M">4000</size>
     </memory>
   </hardware>
 </constraints>