diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index cde5820f..ef37f465 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -149,6 +149,7 @@ jobs:
       matrix:
         toxenv:
           - flake8
+          - check-python-versions
           - yamllint
 
     steps:
diff --git a/tox.ini b/tox.ini
index 141f0d6c..9dbc56ac 100644
--- a/tox.ini
+++ b/tox.ini
@@ -28,6 +28,11 @@ deps = flake8
 skip_install = true
 commands = flake8 {posargs}
 
+[testenv:check-python-versions]
+deps = check-python-versions
+skip_install = true
+commands = check-python-versions {posargs}
+
 [testenv:yamllint]
 deps = yamllint
 skip_install = true