diff --git a/.github/workflows/test-docs.yml b/.github/workflows/test-docs.yml
index 7bc42068..73262b5c 100644
--- a/.github/workflows/test-docs.yml
+++ b/.github/workflows/test-docs.yml
@@ -96,3 +96,8 @@ jobs:
     - name: Run Lint & Docs
       run: tox -e lint_docs
       if: matrix.python-version == '3.8'
+    - name: Run vermin to check Python compat
+      run: |
+        python -m pip install vermin
+        vermin --no-tips --violations -t=3.6 .
+      if: matrix.python-version == '3.10'
diff --git a/setup.cfg b/setup.cfg
index 8cdfe539..5cedf791 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -57,6 +57,7 @@ dev =
     pytest>=6.2.5
     tox>=3.14.6
     zest.releaser>=6.20.1
+    vermin
 
 doc =
     Sphinx==4.3.2