diff --git a/.gitignore b/.gitignore
index de0c776..2e98181 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,3 +6,4 @@
 __pycache__
 .tox
 doc/_build/
+.coverage
diff --git a/.travis.yml b/.travis.yml
index eccc720..112a82c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -77,8 +77,7 @@
       pip install virtualenv
     fi
     python -m virtualenv ~/.venv
-    source ~/.venv/bin/activate
-    pip install coveralls coverage wheel
+    ~/.venv/bin/pip install coveralls tox
 
 script:
   - |
@@ -88,18 +87,10 @@
       export LDFLAGS="-L/usr/local/opt/openssl/lib"
       export CFLAGS="-I/usr/local/opt/openssl/include"
     fi
-    source ~/.venv/bin/activate
-    pip install -e .
-  - |
-    source ~/.venv/bin/activate
-    coverage run --branch --source=OpenSSL setup.py bdist_wheel test
-  - |
-    source ~/.venv/bin/activate
-    coverage report -m
-    python -c "import OpenSSL.SSL; print(OpenSSL.SSL.SSLeay_version(OpenSSL.SSL.SSLEAY_VERSION))"
+    ~/.venv/bin/tox
 
 after_script:
-  - source ~/.venv/bin/activate && coveralls
+  - ~/.venv/bin/coveralls
 
 notifications:
   email: false
diff --git a/tox.ini b/tox.ini
index 67386d1..cdd4295 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,10 +1,16 @@
 [tox]
-envlist = pypy,py26,py27,py32,py33
+envlist = pypy,py26,py27,py32,py33,py34
 
 [testenv]
+deps =
+    setuptools>=7.0
+    coverage
 setenv =
     # Do not allowed the executing environment to pollute the test environment
     # with extra packages.
     PYTHONPATH=
 # The standard library unittest module can run tests on Python 2.7 and newer
-commands = python setup.py test
+commands =
+    python -c "import OpenSSL.SSL; print(OpenSSL.SSL.SSLeay_version(OpenSSL.SSL.SSLEAY_VERSION))"
+    coverage run --branch --source=OpenSSL setup.py test
+    coverage report -m