diff --git a/_constraints b/_constraints
index 5637f91..d1df24e 100644
--- a/_constraints
+++ b/_constraints
@@ -9,7 +9,7 @@
     </conditions>
     <hardware>
       <disk>
-         <size unit="G">26</size>
+         <size unit="G">28</size>
       </disk>
       <memory>
          <size unit="G">8</size>