diff --git a/products/updatesite/io.sarl.lang.product b/products/updatesite/io.sarl.lang.product
index e0a010806b..7f751a9e1f 100644
--- a/products/updatesite/io.sarl.lang.product
+++ b/products/updatesite/io.sarl.lang.product
@@ -14,8 +14,8 @@
    </configIni>
 
    <launcherArgs>
-      <vmArgs>-Xms40m
--Xmx512m
+      <vmArgs>-Xms256m
+-Xmx1g
       </vmArgs>
       <vmArgsMac>-XstartOnFirstThread -Dorg.eclipse.swt.internal.carbon.smallFonts
       </vmArgsMac>