diff --git a/.github/workflows/workflow.yaml b/.github/workflows/workflow.yaml
index 2822cfb..cabf3d7 100644
--- a/.github/workflows/workflow.yaml
+++ b/.github/workflows/workflow.yaml
@@ -49,9 +49,36 @@ jobs:
       - name: Run pre-commit gc
         run: pipx run pre-commit gc
 
+  tests:
+    name: "Tests"
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        # https://github.com/actions/checkout
+        uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b # v4.1.4
+
+      - name: Set up Python
+        # https://github.com/actions/setup-python
+        uses: actions/setup-python@82c7e631bb3cdc910f68e0081d67478d79c6982d # v5.1.0
+        id: setup-py
+        with:
+          cache: 'pipenv'
+          python-version: "3.12"
+
+      - name: Install pipenv
+        run: pipx install pipenv
+
+      - name: Install dependencies
+        run: pipenv install --dev
+
+      - name: Run tests
+        run: pipenv run pytest -v
+
+
   container:
     name: "Build (and push) container image"
-    needs: [pre-commit]
+    needs: [pre-commit, tests]
     runs-on: ubuntu-latest
     permissions:
       contents: read
@@ -111,6 +138,8 @@ jobs:
           # Effect on build times (B&P step only):
           #   No caching: 44s
           #   Max mode, no cache: 79s
+          #   Max mode, changed deps: 61s
+          #   Max mode, changed code:
           #   Max mode, perfect hit: 8s
           cache-from: type=gha
           cache-to: type=gha,mode=max
@@ -121,7 +150,7 @@ jobs:
   # - for branch protection rules
   ci-success:
     name: CI Workflow - Success
-    needs: [pre-commit, container]
+    needs: [container, pre-commit, tests]
     runs-on: ubuntu-latest
     steps:
       - name: Success