diff --git a/_constraints b/_constraints
index ef3cb50..293a909 100644
--- a/_constraints
+++ b/_constraints
@@ -2,8 +2,11 @@
 <constraints>
   <hardware>
     <disk>
-       <size unit="G">10</size>
+       <size unit="G">12</size>
     </disk>
+    <memory>
+       <size unit="G">8</size>
+    </memory>
   </hardware>
   <sandbox>kvm</sandbox>
 </constraints>