diff --git a/BackendCommands.php b/BackendCommands.php
index eef0846..45bec8b 100644
--- a/BackendCommands.php
+++ b/BackendCommands.php
@@ -98,8 +98,11 @@ public function preInstallCommand(CommandData $commandData)
      */
     public function install()
     {
-        // Do the site install
+        // Do the site install.
         $this->drush($this->selfRecord(), 'site:install', [], ['existing-config' => true, 'yes' => $this->input()->getOption('yes')]);
+
+        // Clear caches.
+        $this->drush($this->selfRecord(), 'cache:rebuild');
     }
 
     /**