diff --git a/libreticmenu.sh b/libreticmenu.sh
index 9316e69..7bdbb14 100755
--- a/libreticmenu.sh
+++ b/libreticmenu.sh
@@ -3,5 +3,6 @@ set -eo pipefail
 DIR=$(dirname $0)
 cd $DIR
 [ "$NOPULL" != "0" ] && git pull
+poetry lock
 poetry -C $DIR/libreticmenu install
 poetry -C $DIR/libreticmenu run python $DIR/libreticmenu/libreticmenu.py $*