diff --git a/upgrade_roundcube.sh b/upgrade_roundcube.sh
index 26eec8f..3565588 100755
--- a/upgrade_roundcube.sh
+++ b/upgrade_roundcube.sh
@@ -453,6 +453,15 @@ else
 	fatal "$(cat $log_file)"
 fi
 
+echononl "   Update dependencies by running 'php composer.phar update --no-dev'"
+php composer.phar update --no-dev > ${_src_base_dir}/log/update_roundcube-${ROUNDCUBE_VERSION}-dependencies.${backup_date}.log 2>&1
+if [[ $? -eq 0 ]]; then
+   echo_ok
+else
+	echo_failed
+	error "$(cat ${_src_base_dir}/log/update_roundcube-${ROUNDCUBE_VERSION}-dependencies.${backup_date}.log)"
+fi
+
 echononl "   Index build-in addressbook"
 ${WEBSITE_BASEDIR}/roundcubemail-${ROUNDCUBE_VERSION}/bin/indexcontacts.sh > $log_file 2>&1
 if [[ $? -eq 0 ]]; then