diff --git a/tox.ini b/tox.ini
index d27f7cb..0c60b9d 100644
--- a/tox.ini
+++ b/tox.ini
@@ -44,6 +44,17 @@ commands =
     rm -f .coverage
     rm -rf .testrepository
 
+[testenv:py35]
+basepython = python3.5
+setenv =
+  OS_TEST_PATH = ./freezerclient/tests/unit
+commands =
+    find . -type f -name "*.pyc" -delete
+    python setup.py testr --coverage --testr-args="{posargs}"
+    coverage report -m
+    rm -f .coverage
+    rm -rf .testrepository
+
 [testenv:docs]
 commands =
   python setup.py build_sphinx
@@ -68,4 +79,4 @@ exclude = .venv,.tox,dist,doc,test,*egg,tests,releasenotes
 
 
 [testenv:releasenotes]
-commands = sphinx-build -a -E -d releasenotes/build/doctrees -b html releasenotes/source releasenotes/build/html
\ No newline at end of file
+commands = sphinx-build -a -E -d releasenotes/build/doctrees -b html releasenotes/source releasenotes/build/html