diff --git a/.github/workflows/install.yml b/.github/workflows/install.yml
new file mode 100644
index 000000000..4772ba1c0
--- /dev/null
+++ b/.github/workflows/install.yml
@@ -0,0 +1,29 @@
+name: Install
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  backend-install:
+    name: Backend (uv sync)
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        working-directory: backend
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Install uv
+        uses: astral-sh/setup-uv@v5
+        with:
+          enable-cache: true
+
+      - name: Install backend dependencies
+        run: uv sync --extra dev
+
+      - name: Import check
+        run: uv run python -c "import app"