diff --git a/_constraints b/_constraints
index c0ac7fe..57c2694 100644
--- a/_constraints
+++ b/_constraints
@@ -2,7 +2,7 @@
 <constraints>
   <hardware>
     <disk>
-      <size unit="G">9</size>
+      <size unit="G">13</size>
     </disk>
     <memory>
       <size unit="M">6000</size>