diff --git a/.github/workflows/sphinx-ext-pr.yml b/.github/workflows/sphinx-ext-pr.yml
index dce0a3853..23e402c0f 100644
--- a/.github/workflows/sphinx-ext-pr.yml
+++ b/.github/workflows/sphinx-ext-pr.yml
@@ -67,10 +67,10 @@ jobs:
     - run: |
         python --version
         python -m pip install --upgrade pip
-        python -m pip install --upgrade tox
+        python -m pip install --upgrade hatch
       name: Setup Environment
 
     - run: |
         cd lib/esbonio-extensions
-        python -m tox -e py`echo ${{ matrix.python-version }} | tr -d .`
-      name: Test
+        hatch test -i py=${{ matrix.python-version }}
+      name: Run Tests
diff --git a/lib/esbonio-extensions/tox.ini b/lib/esbonio-extensions/tox.ini
index b8d91c6b0..9d662b4e4 100644
--- a/lib/esbonio-extensions/tox.ini
+++ b/lib/esbonio-extensions/tox.ini
@@ -1,16 +1,6 @@
 [tox]
 isolated_build = True
 min_version = 4
-envlist = py{38,39,310,311,312}
-
-[testenv]
-deps =
-    mock
-    pytest
-    pytest-cov
-extras = tutorial
-commands =
-    pytest --cov=esbonio
 
 [testenv:pkg]
 description = Prepare the resources to be shipped with the package