diff --git a/setup.py b/setup.py
index 1bcc0a1..3a1ef9a 100755
--- a/setup.py
+++ b/setup.py
@@ -125,7 +125,7 @@ setup(
     tests_require=[
         'jaconv',
         'tox',
-        'pytest!=3.2.0',
+        'pytest!=3.2.0,!=3.3.0',
         'pytest-cov',
         'pytest-mock',
         'nose',
diff --git a/tox.ini b/tox.ini
index 421b581..777391f 100644
--- a/tox.ini
+++ b/tox.ini
@@ -7,7 +7,7 @@ deps = nose
        coverage
        scripttest
        mock
-       pytest!=3.3.0
+       pytest!=3.2.0,!=3.3.0
        pytest-cov
        pytest-mock
        hypothesis