diff --git a/_constraints b/_constraints
index 7a98ea5..0e687f8 100644
--- a/_constraints
+++ b/_constraints
@@ -1,7 +1,7 @@
 <constraints>
   <hardware>
     <physicalmemory>
-      <size unit="M">4000</size>
+      <size unit="M">6000</size>
     </physicalmemory>
     <disk>
       <size unit="G">30</size>