diff --git a/noxfile.py b/noxfile.py
index c8b9e09c..9eae1ca4 100755
--- a/noxfile.py
+++ b/noxfile.py
@@ -23,6 +23,7 @@
     NonSemanticVersion,
     SemanticVersion,
     TestedVersions,
+    parse_version,
     should_test_only_untested_versions,
 )
 
@@ -71,7 +72,8 @@ def python_versions() -> Optional[List[str]]:
     # In local, try all supported python versions.
     # Anyway create a venv.
     if os.getenv("CI", str(False)).lower() == "true":
-        return [platform.python_version()]
+        python_version = parse_version(platform.python_version())
+        return [f"{python_version.major}.{python_version.minor}"]
 
     with open(
         os.path.dirname(__file__) + "/.github/workflows/version-testing.yml"