diff --git a/bw-dev b/bw-dev
index 35f3694ee..f50800cf0 100755
--- a/bw-dev
+++ b/bw-dev
@@ -108,6 +108,17 @@ case "$CMD" in
     compilemessages)
         runweb django-admin compilemessages --ignore venv $@
         ;;
+    update_locales)
+        git fetch origin l10n_main:l10n_main
+        git checkout l10n_main locale/de_DE
+        git checkout l10n_main locale/es_ES
+        git checkout l10n_main locale/fr_FR
+        git checkout l10n_main locale/lt_LT
+        git checkout l10n_main locale/pt_BR
+        git checkout l10n_main locale/zh_Hans
+        git checkout l10n_main locale/zh_Hant
+        runweb django-admin compilemessages --ignore venv
+        ;;
     build)
         docker-compose build
         ;;