diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..60a3664
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,37 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        python-version: [3.9]
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up Python 3.9
+        uses: actions/setup-python@v5
+        with:
+          python-version: 3.9
+
+      - name: Install system dependencies
+        run: sudo apt install -y libfuzzy-dev
+
+      - name: Install Python dependencies
+        run: |
+          python -m pip install --upgrade pip
+          if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
+
+      - name: Run tests
+        run: pytest
diff --git a/requirements.txt b/requirements.txt
index e6e17e2..6f8b75b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -51,6 +51,7 @@ pillow==10.2.0
     # via matplotlib
 psutil==5.9.8
     # via -r requirements.in
+pytest==8.3.1
 py-tlsh==4.7.2
     # via -r requirements.in
 pycparser==2.21