diff --git a/.github/workflows/nextjs.yml b/.github/workflows/nextjs.yml
index 7b3e8fbc..49c6a84d 100644
--- a/.github/workflows/nextjs.yml
+++ b/.github/workflows/nextjs.yml
@@ -46,8 +46,13 @@ jobs:
         with:
           python-version: "3.12"
 
+      - name: Install uv
+        uses: astral-sh/setup-uv@v5
+        with:
+          version: "latest"
+
       - name: Install backend dependencies
-        run: pip install -e ".[test]"
+        run: uv sync --extra test
 
   docker-build:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/playwright.yml b/.github/workflows/playwright.yml
index 987ce041..a0a9cddb 100644
--- a/.github/workflows/playwright.yml
+++ b/.github/workflows/playwright.yml
@@ -13,6 +13,8 @@ jobs:
   test:
     timeout-minutes: 60
     runs-on: ubuntu-latest
+    env:
+      PYTHONPATH: ${{ github.workspace }}
     strategy:
       fail-fast: false
       matrix:
@@ -37,8 +39,13 @@ jobs:
       with:
         python-version: '3.12'
 
+    - name: Install uv
+      uses: astral-sh/setup-uv@v5
+      with:
+        version: "latest"
+
     - name: Install backend dependencies
-      run: pip install -e .
+      run: uv sync
 
     - name: Install frontend dependencies
       working-directory: ./app
@@ -51,7 +58,7 @@ jobs:
       run: npm run build
 
     - name: Seed test data into FalkorDB
-      run: python e2e/seed_test_data.py
+      run: uv run python e2e/seed_test_data.py
 
     - name: Install Playwright npm dependencies
       run: |
@@ -81,7 +88,7 @@ jobs:
         CODE_GRAPH_PUBLIC: "1"
         MODEL_NAME: "openai/gpt-4.1-mini"
       run: |
-        flask --app api/index.py run --host 0.0.0.0 --port 5000 &
+        uv run flask --app api/index.py run --host 0.0.0.0 --port 5000 &
         # Wait for Flask to be ready
         timeout 30 bash -c 'until curl -s http://localhost:5000/ > /dev/null 2>&1; do sleep 0.5; done'
         npx playwright test --shard=${{ matrix.shard }}/2 --reporter=dot,list