diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
new file mode 100644
index 00000000..1f4e239f
--- /dev/null
+++ b/.github/workflows/tests.yml
@@ -0,0 +1,36 @@
+name: Package tests
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+permissions:
+  contents: read
+
+jobs:
+  test:
+    name: Test pfd-gste on Python 3.12
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v6
+        with:
+          persist-credentials: false
+
+      - name: Set up Python
+        uses: actions/setup-python@v6
+        with:
+          python-version: "3.12"
+
+      - name: Install package and test dependencies
+        run: |
+          python -m pip install --upgrade pip
+          python -m pip install -e ".[test]"
+
+      - name: Run package tests
+        run: python -m pytest -q
diff --git a/README.md b/README.md
index bd9b6383..b8df5a3e 100644
--- a/README.md
+++ b/README.md
@@ -9,6 +9,7 @@
 [![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](LICENSE)
 ![Python](https://img.shields.io/badge/Python-3.12.2-blue.svg)
 [![PyPI version](https://img.shields.io/pypi/v/pfd-gste.svg)](https://pypi.org/project/pfd-gste/)
+[![Package tests](https://github.com/AnnyaB/HybridResNet50V2-RViT/actions/workflows/tests.yml/badge.svg?branch=main)](https://github.com/AnnyaB/HybridResNet50V2-RViT/actions/workflows/tests.yml)
 ![PyTorch](https://img.shields.io/badge/PyTorch-Research%20Code-ee4c2c.svg)
 ![Medical AI](https://img.shields.io/badge/Medical%20AI-Brain%20MRI-1f6feb.svg)
 ![Explainable AI](https://img.shields.io/badge/XAI-Grad--CAM%2B%2B%20%7C%20Attention%20Rollout-6f42c1.svg)