diff --git a/installer.sh b/installer.sh
index 51556e6..dd689bf 100644
--- a/installer.sh
+++ b/installer.sh
@@ -317,6 +317,7 @@ chown vmail:vmail /etc/dovecot/sieve/ -R
 ##--------------##
 #    Rainloop    #
 ##--------------##
+apt install unzip
 wget -q -t7 https://git.ictmaatwerk.com/VPS-scripts/Ubuntu-Mail/raw/branch/$branch/rainloop.sh -O /tmp/rainloop.sh
 source /tmp/rainloop.sh