diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..07e7ddc
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,37 @@
+name: CI
+
+on:
+  pull_request:
+    branches: [main]
+  push:
+    branches: [main]
+
+permissions:
+  contents: read
+
+jobs:
+  lint-and-test:
+    name: lint-and-test
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v4
+
+      - name: Read pinned Python version
+        id: pyver
+        run: echo "version=$(cat .python-version)" >> "$GITHUB_OUTPUT"
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ steps.pyver.outputs.version }}
+          cache: pip
+
+      - name: Install dependencies
+        run: pip install -r requirements.txt -r requirements-dev.txt
+
+      - name: Lint
+        run: ruff check .
+
+      - name: Test
+        run: pytest tests/ -v
diff --git a/README.md b/README.md
index 4563f21..832cea5 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,7 @@
 # JS — Job Search
 
+[![CI](https://github.com/ukrainets/JobScanner/actions/workflows/ci.yml/badge.svg?branch=main)](https://github.com/ukrainets/JobScanner/actions/workflows/ci.yml)
+
 A tool that automates scanning companies career pages for matching job titles.
 
 **Purpose**  
diff --git a/pyproject.toml b/pyproject.toml
index 0b18678..1d6eae8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,5 +1,5 @@
 [tool.ruff]
-target-version = "py313"
+target-version = "py312"
 line-length = 200
 
 [tool.ruff.lint]