diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2c7f011..43beb7e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,5 +1,10 @@
 name: CI
-on: [push, pull_request]
+on:
+  pull_request:
+  push:
+    branches:
+      - "main"
+      - "dev*"
 
 jobs:
   build:
@@ -9,7 +14,7 @@ jobs:
       max-parallel: 8
       matrix:
         os: [ubuntu-latest, windows-latest]
-        python-version: [3.7, 3.8, 3.9]
+        python-version: [3.7, 3.8, 3.9, "3.10", "3.11"]
 
     steps:
       - name: Check out repository
@@ -19,13 +24,27 @@ jobs:
         uses: actions/setup-python@v4
         with:
           python-version: ${{ matrix.python-version }}
+          cache: "pip"
 
-      - name: Update pip
+      - name: Update pip and install dependencies
         run: |
           python -m pip install --upgrade pip
-      - name: Install tox
+          python -m pip install ".[test]"
+
+      - name: Run tests
         run: |
-          python -m pip install tox tox-gh-actions
-      - name: Run tox
+          python -m doctest README.md
+          python -m doctest paper.md
+          python -m pytest docs \
+            --nbval --nbval-current-env -p no:randomly
+          python -m pytest tests \
+            --cov=matching --cov-fail-under=100 --hypothesis-profile=ci
+
+      - name: Install and run linters (3.11-ubuntu only)
+        if: |
+          matrix.python-version == '3.11' &&
+          matrix.os == 'ubuntu-latest'
         run: |
-          python -m tox
+          python -m pip install ".[lint]"
+          python -m black --check .
+          python -m ruff check .
diff --git a/tox.ini b/tox.ini
deleted file mode 100644
index 2523142..0000000
--- a/tox.ini
+++ /dev/null
@@ -1,23 +0,0 @@
-[tox]
-isolated_build = True
-envlist = py37, py38, py39
-
-[gh-actions]
-python =
-    3.7: py37
-    3.8: py38
-    3.9: py39
-
-[testenv]
-extras = dev
-commands =
-    python -m black --check src tests docs
-    python -m isort --check src tests
-    python -m flake8 src tests
-    python -m interrogate src tests
-    python -m doctest paper.md
-    python -m doctest README.md
-    python -m pytest docs \
-      --nbval --nbval-current-env -p no:randomly
-    python -m pytest tests \
-      --cov=matching --cov-fail-under=100 --hypothesis-profile=ci
\ No newline at end of file