diff --git a/.travis.yml b/.travis.yml
index 5f6df0e..1744ac3 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,11 +1,10 @@
 language: python
 python:
-  - 3.5
   - 3.6
 
 install:
-  - "pip install -r requirements.txt"
-  - "pip install -r requirements.dev.txt"
+  - "pipenv install"
+  - "pipenv install --dev"
 
 script:
   # Run the test suit
diff --git a/Pipfile b/Pipfile
index 4b8a250..96fb120 100644
--- a/Pipfile
+++ b/Pipfile
@@ -14,3 +14,7 @@ crayons = "*"
 
 [dev-packages]
 
+pep8 = "*"
+coverage = "*"
+coveralls = "*"
+mypy = "*"
diff --git a/requirements.dev.txt b/requirements.dev.txt
deleted file mode 100644
index 213b202..0000000
--- a/requirements.dev.txt
+++ /dev/null
@@ -1,4 +0,0 @@
-pep8
-coverage
-coveralls
-mypy