1 files changed, 3 insertions, 1 deletions
diff --git a/tox.ini b/tox.ini
index de1fb38..9f72ab8 100644
--- a/tox.ini
+++ b/tox.ini
@@ -5,8 +5,10 @@ envlist = py{26,27,33,34,35,36,py}
 passenv = LANG
 commands = {env:TEST_RUNNER:pytest} {posargs}
 deps =
-    pytest
+    {env:_CLICK_TEST_PYTEST_DEP:pytest}
     colorama: colorama
     coverage: coverage
 setenv =
     coverage: TEST_RUNNER=coverage run -m pytest
+    # pytest 3.3+ does not support Python 2.6 and 3.3 anymore.
+    py26,py33: _CLICK_TEST_PYTEST_DEP=pytest<3.3