diff --git a/_constraints b/_constraints
index ff2151c..baa43b1 100644
--- a/_constraints
+++ b/_constraints
@@ -5,7 +5,7 @@
       <size unit="G">20</size>
     </disk>
     <memory>
-      <size unit="G">12</size>
+      <size unit="G">8</size>
     </memory>
   </hardware>
   <overwrite>