diff --git a/setup/webmail.sh b/setup/webmail.sh
index 5b2541b7..0a1d57bb 100755
--- a/setup/webmail.sh
+++ b/setup/webmail.sh
@@ -39,8 +39,8 @@ apt_install php${PHP_VER}-ldap
 #   https://github.com/mstilkerich/rcmcarddav/releases
 # The easiest way to get the package hashes is to run this script and get the hash from
 # the error message.
-VERSION=1.6-rc
-HASH=c44c683a06117162f4fccf5bd5883d4ed3595e45
+VERSION=1.6.0
+HASH=fd84b4fac74419bb73e7a3bcae1978d5589c52de
 PERSISTENT_LOGIN_VERSION=version-5.3.0
 HTML5_NOTIFIER_VERSION=68d9ca194212e15b3c7225eb6085dbcf02fd13d7 # version 0.6.4+
 CARDDAV_VERSION=4.4.1