diff --git a/rss.sh b/rss.sh
index a0522f1..d516053 100755
--- a/rss.sh
+++ b/rss.sh
@@ -3,7 +3,7 @@ set -euo pipefail
 
 
 BASEDIR="$(dirname "${0}" | sed "s|^\.|${PWD}|")"
-DATE="$(date -R)"
+DATE="$(TZ=UTC date -R)"
 
 
 source "${BASEDIR}/website.conf"