diff --git a/.tangled/workflows/deploy.yaml b/.tangled/workflows/deploy.yaml
index 5bfe7dc..55b44ce 100644
--- a/.tangled/workflows/deploy.yaml
+++ b/.tangled/workflows/deploy.yaml
@@ -13,9 +13,10 @@ steps:
   - name: build
     command: bun install
   - name: build
-    command: bun run build
+    command: nix shell --impure nixpkgs#steam-run -c steam-run bun run build
     environment:
       NODE_ENV: production
+      NIXPKGS_ALLOW_UNFREE: "1"
   - name: deploy
     command: wrangler deploy
     environment: