diff --git a/install.sh b/install.sh
index 6d00cbe..e1a206b 100755
--- a/install.sh
+++ b/install.sh
@@ -28,6 +28,8 @@ if [ -d "/etc/exim4/" ] || [ -d "/etc/dovecot/" ]; then
   sleep 5
 fi
 
+apt-get update
+
 # install pwgen, used to create random passwords
 apt -y install pwgen