diff --git a/build/build.sh b/build/build.sh
index 5fdb0db..71aabc1 100644
--- a/build/build.sh
+++ b/build/build.sh
@@ -2,7 +2,7 @@
 
 set -e
 
-img=registry-app.inhome.blapointe.com:5001/bel/ana-ledger:latest
+img=registry-app.inhome.blapointe.com:5001/bel/ana-ledger:${1:-$(date +%Y%m%d%H%M)}
 cd "$(dirname "$(dirname "$(realpath "$BASH_SOURCE")")")"
 was=$(docker inspect $img | jq -r .[0].Id | sed 's/^sha256://')
 docker build -f ./build/Dockerfile -t $img .