diff --git a/setup.cfg b/setup.cfg
deleted file mode 100644
index 2a9acf1..0000000
--- a/setup.cfg
+++ /dev/null
@@ -1,2 +0,0 @@
-[bdist_wheel]
-universal = 1
diff --git a/setup.py b/setup.py
index 730a7ad..fb0ee13 100644
--- a/setup.py
+++ b/setup.py
@@ -64,4 +64,6 @@
             "cvss_calculator = cvss.cvss_calculator:main",
         ],
     },
+    # to make Python 2 and Python 3 compatible wheel
+    options={"bdist_wheel": {"universal": "1"}},
 )