diff --git a/setup.cfg b/setup.cfg
index 89a2d8a..a79ed8b 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -15,7 +15,11 @@ classifier =
     Intended Audience :: Developers
     Intended Audience :: Information Technology
     Operating System :: Microsoft :: Windows  
-    Programming Language :: Python :: 3.4, Python :: 3.5, Python :: 3.6 , Python :: 3.7
+    Programming Language :: Python :: 3.3
+    Programming Language :: Python :: 3.4
+    Programming Language :: Python :: 3.5
+    Programming Language :: Python :: 3.6
+    Programming Language :: Python :: 3.7
 keywords =
     scripting, automation, expect, pexpect, wexpect