diff --git a/.travis.yml b/.travis.yml
index 569dc27..d46095d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,6 +3,6 @@ python:
   - "2.7"
   - "3.5"
 # command to install dependencies
-install: "pip install -r requirements.txt"
+install: "pip install pipenv --upgrade"
 # command to run tests
 script: make
\ No newline at end of file
diff --git a/Makefile b/Makefile
index a43a28a..18b9132 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 test:
-	py.test tests
+	pipenv run py.test tests
 init:
-	pip install -r requirements.txt
+	pipenv install
 publish:
 	python setup.py register
 	python setup.py sdist upload