diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..71314e0
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,27 @@
+name: CI
+
+on:
+  push:
+    branches: ["main"]
+  pull_request:
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      # TODO 1: Add a step to set up Python 3.11.
+      #         Use: actions/setup-python@v5 with python-version: "3.11"
+      - uses: actions/setup-python@v5
+        with:
+          python-version: "3.11"
+
+      # TODO 2: Add a step to install pytest.
+      #         Use: pip install pytest
+      - name: Install pytest
+        run: pip install pytest
+      # TODO 3: Add a step to run pytest.
+      #         Use: pytest -q
+      - name: Run tests
+        run: pytest -q
\ No newline at end of file
diff --git a/data-track/week-5/exercise_5/.github/workflows/ci.yml b/data-track/week-5/exercise_5/.github/workflows/ci.yml
index c484458..71314e0 100644
--- a/data-track/week-5/exercise_5/.github/workflows/ci.yml
+++ b/data-track/week-5/exercise_5/.github/workflows/ci.yml
@@ -13,9 +13,15 @@ jobs:
 
       # TODO 1: Add a step to set up Python 3.11.
       #         Use: actions/setup-python@v5 with python-version: "3.11"
+      - uses: actions/setup-python@v5
+        with:
+          python-version: "3.11"
 
       # TODO 2: Add a step to install pytest.
       #         Use: pip install pytest
-
+      - name: Install pytest
+        run: pip install pytest
       # TODO 3: Add a step to run pytest.
       #         Use: pytest -q
+      - name: Run tests
+        run: pytest -q
\ No newline at end of file