diff --git a/RoboFileBase.php b/RoboFileBase.php
index 09f15c7..0e1c3eb 100644
--- a/RoboFileBase.php
+++ b/RoboFileBase.php
@@ -164,7 +164,7 @@ public function build() {
    */
   public function distributionBuild() {
     $this->devComposerValidate();
-    $this->buildMake('--no-dev --optimize-autoloader');
+    $this->buildMake('--prefer-dist --no-suggest --no-dev --optimize-autoloader');
     $this->setSitePath();
   }