diff --git a/.github/workflows/test_development_versions.yml b/.github/workflows/test_development_versions.yml
index c6a4277..7c86607 100644
--- a/.github/workflows/test_development_versions.yml
+++ b/.github/workflows/test_development_versions.yml
@@ -19,6 +19,7 @@ jobs:
       max-parallel: 4
       matrix:
         python-version: [3.7, '3.10']
+        experimental: [true]
     steps:
       - uses: actions/checkout@v2
       - name: Set up Python ${{ matrix.python-version }}
@@ -45,4 +46,4 @@ jobs:
           pip install tox
       - name: Test using tox environment
         run: |
-          tox ${{ env.TOX_ENV }}
+          tox --pre ${{ env.TOX_ENV }}