diff --git a/test-requirements.txt b/test-requirements.txt

index 446a41f..0bf6dc3 100644

--- a/test-requirements.txt

+++ b/test-requirements.txt

@@ -1,5 +1,5 @@

 # The order of packages is significant, because pip processes them in the order

 # of appearance. Changing the order has an impact on the overall integration

 # process, which may cause wedges in the gate later.

-nose

+pytest

 sphinx!=1.2.0,!=1.3b1,<1.3,>=1.1.2

diff --git a/test/compliancetest.py b/test/compliancetest.py

index bf4e59c..a7285de 100644

--- a/test/compliancetest.py

+++ b/test/compliancetest.py

@@ -6,15 +6,13 @@ import lockfile

 class ComplianceTest(object):

-    def __init__(self):

-        self.saved_class = lockfile.LockFile

-

     def _testfile(self):

         """Return platform-appropriate file.  Helper for tests."""

         import tempfile

         return os.path.join(tempfile.gettempdir(), 'trash-%s' % os.getpid())

     def setup(self):

+        self.saved_class = lockfile.LockFile

         lockfile.LockFile = self.class_to_test

     def teardown(self):

diff --git a/tox.ini b/tox.ini

index 750ad5f..7bfd923 100644

--- a/tox.ini

+++ b/tox.ini

@@ -4,7 +4,7 @@ envlist = py27,py32,py33,py34

 [testenv]

 deps = -r{toxinidir}/test-requirements.txt

-commands=nosetests

+commands=pytest

 [testenv:venv]

 commands = {posargs}