diff --git a/.gitea/workflows/deploy.yml b/.gitea/workflows/deploy.yml
index 9dca518..a3db272 100644
--- a/.gitea/workflows/deploy.yml
+++ b/.gitea/workflows/deploy.yml
@@ -24,6 +24,8 @@ jobs:
           set -e
           # ensure a small staging dir for upload
           mkdir -p dist
+          # install zip utility (container may not have it)
+          apt-get update && apt-get install -y zip
           # create latest.zip containing the assets directory (so zip root contains 'assets/')
           cd app/src/main
           zip -r "$GITHUB_WORKSPACE/latest.zip" assets