diff --git a/.travis.yml b/.travis.yml
index 49f3b15..5301a68 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -13,7 +13,7 @@ install:
   - pip install tox
 
 script:
-  - tox
+  - tox -e $(echo py$TRAVIS_PYTHON_VERSION | tr -d .)
 
 after_success:
   - codecov
diff --git a/requirements-dev.txt b/requirements-dev.txt
index 02ac8b4..df8f90f 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,4 +1,3 @@
 pytest>=2.8.0
 pytest-xdist
 codecov
-HTTPretty==0.8.14