diff --git a/.circleci/config.yml b/.circleci/config.yml
deleted file mode 100644
index 930f61d..0000000
--- a/.circleci/config.yml
+++ /dev/null
@@ -1,63 +0,0 @@
-version: 2
-
-references:
-
-  test-steps: &test-steps
-    - checkout
-    - run: pip install --user tox
-    - run: ~/.local/bin/tox
-
-jobs:
-
-  test-3.9:
-    docker:
-      - image: circleci/python:3.9
-    steps: *test-steps
-    environment:
-      TOXENV: py39
-
-  test-3.10:
-    docker:
-      - image: circleci/python:3.10
-    steps: *test-steps
-    environment:
-      TOXENV: py310
-
-  test-3.11:
-    docker:
-      - image: circleci/python:3.11
-    steps: *test-steps
-    environment:
-      TOXENV: py311
-
-  test-pypy3.11:
-    docker:
-      - image: pypy:3.11
-    steps: *test-steps
-    environment:
-      TOXENV: pypy311
-
-workflows:
-  version: 2
-
-  # Build on push
-  on_push:
-    jobs:
-      - test-3.9
-      - test-3.10
-      - test-3.11
-      - test-pypy3.11
-
-  # Build master every week on Monday at 04:00 am
-  weekly:
-    triggers:
-      - schedule:
-          cron: "0 4 * * 1"
-          filters:
-            branches:
-              only:
-                - master
-    jobs:
-      - test-3.9
-      - test-3.10
-      - test-3.11
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..a70d03a
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,22 @@
+name: CI
+on: [push]
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        pyversion: [3.9, 3.10, 3.11]
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: "${{ matrix.version }}"
+      - name: Display Python version
+        run: python -c "import sys; print(sys.version)"
+      - name: Install tox
+        run: pip install tox
+      - name: Run tests on Python ${{ matrix.version }}
+        run: tox
+        env:
+          TOXENV: "py${{ matrix.version }}"