diff --git a/tox.ini b/tox.ini
index a3c8358..98517da 100644
--- a/tox.ini
+++ b/tox.ini
@@ -21,10 +21,11 @@ commands        = coverage --version
                   coverage report
 
 [testenv:lint]
+basepython      = python3.3
 deps            = pylint
                   networkx==1.9
-                  mock
-commands        = pylint -E --rcfile .pylintrc setools tests seinfo seinfoflow sedta sesearch
+commands        = pylint --version
+                  pylint -E --rcfile .pylintrc setools tests seinfo seinfoflow sedta sesearch
 
 [testenv]
 deps            = networkx==1.9