diff --git a/install_mailhog_as_service.sh b/install_mailhog_as_service.sh
index 3367d0b..f2a3eff 100644
--- a/install_mailhog_as_service.sh
+++ b/install_mailhog_as_service.sh
@@ -1,4 +1,5 @@
 #!/bin/bash
+apt update
 echo "";
 echo "===================================";
 echo "Install golang-go...";