diff --git a/.gitea/workflows/demo.yaml b/.gitea/workflows/demo.yaml
index 5976390..218d236 100644
--- a/.gitea/workflows/demo.yaml
+++ b/.gitea/workflows/demo.yaml
@@ -56,7 +56,7 @@ jobs:
         uses: actions/setup-node@v4
         with:
           node-version: 18
-      - run: npm i npm-run-all --save-dev
+      - run: npm install
       - name: Build frontend
         run: make web-build
       - name: Test frontend
diff --git a/web/Makefile b/web/Makefile
index 1e2a377..ce865cb 100644
--- a/web/Makefile
+++ b/web/Makefile
@@ -3,7 +3,7 @@ all: add-copyright format lint build test
 
 .PHONY: build
 build:
-	@npm run build
+	@npm install && npm run build
 
 .PHONY: format
 format: # format code.