diff --git a/setup/webmail.sh b/setup/webmail.sh
index 7054e38e..f2202244 100755
--- a/setup/webmail.sh
+++ b/setup/webmail.sh
@@ -28,8 +28,8 @@ apt_install \
 # Install Roundcube from source if it is not already present or if it is out of date.
 # Combine the Roundcube version number with the commit hash of plugins to track
 # whether we have the latest version of everything.
-VERSION=1.4.6
-HASH=44961ef62bb9c9875141ca34704bbc7d6f36373d
+VERSION=1.4.7
+HASH=49F194D25AC7B9BF175BD52285BB61CDE7BAED44
 PERSISTENT_LOGIN_VERSION=6b3fc450cae23ccb2f393d0ef67aa319e877e435
 HTML5_NOTIFIER_VERSION=4b370e3cd60dabd2f428a26f45b677ad1b7118d5
 CARDDAV_VERSION=3.0.3