diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
new file mode 100644
index 0000000..55af3f7
--- /dev/null
+++ b/.github/workflows/release.yml
@@ -0,0 +1,52 @@
+name: Update version and add release notes to README
+
+on:
+  pull_request:
+    types: [opened] # Only executed when a new PR is created
+
+permissions: # Required for the Action to change our version and README files
+  contents: write
+  pull-requests: write
+  
+jobs:
+
+  update_readme:
+
+    runs-on: ubuntu-latest
+
+    steps:
+
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          ref: ${{ github.head_ref }}
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.x"
+
+      # Calls a Python script to increase the version number in `__version__.py`
+      - name: Increase version number
+        env:
+          PR_TITLE: ${{ github.event.pull_request.title }}
+        run: |
+          python deployment_scripts/update_version_number.py
+
+      # Calls a Python script to update the release notes in `README.md`
+      - name: Update release notes
+        env:
+          PR_TITLE: ${{ github.event.pull_request.title }}
+          PR_BODY: ${{ github.event.pull_request.body }}
+        run: |
+          python deployment_scripts/update_release_notes.py
+ 
+      # Commits the changes the script made to `__version__.py` and `README.md`
+      - name: Commit changes
+        run: |
+          git config user.name "github-actions[bot]"
+          git config user.email "github-actions[bot]@users.noreply.github.com"
+          git add __version__.py
+          git add README.md
+          git commit -m "Add release notes for PR #${{ github.event.pull_request.number }}" || echo "No changes to commit"
+          git push
\ No newline at end of file
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
new file mode 100644
index 0000000..27ced2c
--- /dev/null
+++ b/.github/workflows/test.yml
@@ -0,0 +1,29 @@
+name: Build and test
+
+on:
+  push:
+    branches: ["development"] # Triggered when a commit is pushed to the development branch
+
+jobs:
+  build:
+    runs-on: ubuntu-latest # Run this code on a Linux Virtual Machine (VM)
+
+    steps: # Steps that are executed for this Action
+
+      # Checks out the code into the VM
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      # Installs Python
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.11"
+
+      # Installs the dependencies
+      - name: Install Dependencies
+        run: pip install -r requirements.txt
+
+      # Discovers and runs the tests 
+      - name: Run tests
+        run: pytest -q
\ No newline at end of file
diff --git a/README.md b/README.md
index 0e96f12..e6f12c6 100644
--- a/README.md
+++ b/README.md
@@ -329,3 +329,8 @@ This exercise illustated the last step of the CI/CD pipeline, which is deliverin
 # Release notes
 
 This section should be populated by the *release* Action.
+
+## Release Notes — v1.4.1 — Emergency fix for cheese crust pizza (2025-12-08)
+
+- Patching a bug found when calculating cheese crust pizza delivery cost.
+- Slight UI improvements.
diff --git a/__version__.py b/__version__.py
index beadd94..02c6434 100644
--- a/__version__.py
+++ b/__version__.py
@@ -1,7 +1,7 @@
 # coding: utf-8
 
 __title__ = 'enpm611-ghactions'
-__version__ = '1.4.0'
+__version__ = '1.4.1'
 __author__ = 'ENPM611'
 __url__ = 'https://github.com/enpm611/github-actions'
 __description__ = ("Exercise to use GitHub Actions for CI/CD task.")
diff --git a/tests/test_delivery.py b/tests/test_delivery.py
index 76d00e1..ee2ae85 100644
--- a/tests/test_delivery.py
+++ b/tests/test_delivery.py
@@ -22,7 +22,7 @@ def fixed_weather():
 
 def test_basic_delivery_normal_mode():
     """Earth is 0.5 lm away; NORMAL speed 10 lm/hr → 0.05 hr."""
-    assert estimate_delivery_time("Earth", DeliveryMode.NORMAL, 1.0, no_weather) == 0.06 # Fix this! It should be 0.05
+    assert estimate_delivery_time("Earth", DeliveryMode.NORMAL, 1.0, no_weather) == 0.05 # Fix this! It should be 0.05
 
 
 def test_turbo_delivery():