diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
new file mode 100644
index 0000000..c4beae8
--- /dev/null
+++ b/.github/workflows/python-package.yml
@@ -0,0 +1,44 @@
+# This workflow will install Python dependencies, run tests and lint with a variety of Python versions
+# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-python
+
+name: Python package
+
+on:
+  push:
+    branches: [ "master" ]
+  pull_request:
+    branches: [ "master" ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ["3.9", "3.10", "3.11"]
+
+    steps:
+    - uses: actions/checkout@v4
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v3
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        python -m pip install flake8 pytest
+        pip install '.[test]'
+    - name: Lint with flake8
+      run: |
+        # stop the build if there are Python syntax errors or undefined names
+        flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
+        # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
+        flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
+    - name: Test with pytest
+      run: |
+        pytest --cov=floweaver --cov-report=xml
+    - name: Upload coverage reports to Codecov with GitHub Action
+      uses: codecov/codecov-action@v4.2.0
+      env:
+        CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index e1a0a18..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,15 +0,0 @@
-language: python
-matrix:
-  include:
-    - python: 3.7
-      dist: xenial
-      sudo: true
-    - python: 3.6
-    - python: 3.5
-install:
-  - pip install '.[test]'
-  - pip install --upgrade pytest
-script:
-  - python -m pytest --cov=floweaver
-after_success:
-  - codecov
diff --git a/README.rst b/README.rst
index f64db0e..54bcbbd 100644
--- a/README.rst
+++ b/README.rst
@@ -13,8 +13,8 @@
 .. image:: https://readthedocs.org/projects/floweaver/badge/?version=latest
     :target: http://floweaver.readthedocs.io/en/latest/?badge=latest
     :alt: Documentation Status
-.. image:: https://travis-ci.org/ricklupton/floweaver.svg?branch=master
-    :target: https://travis-ci.org/ricklupton/floweaver
+.. image:: https://github.com/ricklupton/floweaver/actions/workflows/python-package.yml/badge.svg
+    :target: https://github.com/ricklupton/floweaver/actions/workflows/python-package.yml
     :alt: Test Status
 .. image:: https://codecov.io/gh/ricklupton/floweaver/branch/master/graph/badge.svg
     :target: https://codecov.io/gh/ricklupton/floweaver
diff --git a/test/test_hierarchy.py b/test/test_hierarchy.py
index 6e204eb..c8f4ec6 100644
--- a/test/test_hierarchy.py
+++ b/test/test_hierarchy.py
@@ -21,5 +21,5 @@ def test_hierarchy():
     assert h('East Anglia') == "location in ['Cambridge', 'Ely', 'Escape \"']"
     assert h('*') == None
 
-    with pytest.raises(KeyError):
+    with pytest.raises((KeyError, nx.NetworkXError)):
         h('unknown')