diff --git a/_constraints b/_constraints
index e65003d..cf31661 100644
--- a/_constraints
+++ b/_constraints
@@ -1,7 +1,7 @@
 <constraints>
   <hardware>
     <memoryperjob>
-      <size unit="M">1500</size>
+      <size unit="M">1800</size>
     </memoryperjob>
   </hardware>
 </constraints>