diff --git a/.github/workflows/CI.yaml b/.github/workflows/CI.yaml
new file mode 100644
index 0000000..422ac28
--- /dev/null
+++ b/.github/workflows/CI.yaml
@@ -0,0 +1,36 @@
+name: ci
+
+on:
+  push:
+  pull_request:
+
+jobs:
+  tests:
+    runs-on: ubuntu-latest
+    timeout-minutes: 120
+    strategy:
+      fail-fast: false
+      matrix:
+        py-version:
+          - '3.11' # Oldest supported
+          - '3.14' # Latest stable
+    name: Python ${{ matrix.py-version }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v6
+
+      - name: Use Python ${{ matrix.py-version }}
+        uses: actions/setup-python@v6
+        with:
+          python-version: ${{ matrix.py-version }}
+          architecture: x64
+
+      - name: Install SCIMES
+        run: |
+          pip install -r pip-requirements
+          pip install .
+
+      - name: Run tests
+        run: |
+          # use pytest -vv -x for debugging
+          pytest
diff --git a/pip-requirements b/pip-requirements
index a42b563..8483bb5 100644
--- a/pip-requirements
+++ b/pip-requirements
@@ -2,3 +2,4 @@ astropy>=1.0.2
 matplotlib>=1.4.0
 astrodendro>=0.1.0
 scikit-learn>=0.15.2
+pytest
diff --git a/setup.cfg b/setup.cfg
index 10d7809..16ebe29 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -7,11 +7,6 @@ all_files = 1
 upload-dir = docs/_build/html
 show-response = 1
 
-[pytest]
-minversion = 2.2
-norecursedirs = build docs/_build
-doctest_plus = enabled
-
 [ah_bootstrap]
 auto_use = True
 
diff --git a/tests/dummy_test.py b/tests/dummy_test.py
new file mode 100644
index 0000000..a9cf961
--- /dev/null
+++ b/tests/dummy_test.py
@@ -0,0 +1,7 @@
+import pytest
+
+def test_dummy():  # pytest automatically calls functions with name starting with test
+    assert True
+
+def test_dummy_failing():
+    assert False