diff --git a/_constraints b/_constraints
index dd4c265..34ffef9 100644
--- a/_constraints
+++ b/_constraints
@@ -4,7 +4,7 @@
       <size unit="M">2048</size>
     </physicalmemory>
     <disk>
-      <size unit="G">6</size>
+      <size unit="G">20</size>
     </disk>
   </hardware>