diff --git a/.coveralls.yml b/.coveralls.yml
deleted file mode 100644
index dc3b0fb..0000000
--- a/.coveralls.yml
+++ /dev/null
@@ -1 +0,0 @@
-repo_token: 71NkMDQFpFKB9QYXoK12LYuWUEmQ2wD6V
diff --git a/.travis.yml b/.travis.yml
index 58a7f10..6fcf612 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,14 +1,22 @@
 language: python
-python:
-    - "3.6.5"
+matrix:
+    include:
+        - python: 2.7
+          env: TOXENV=py27
+        - python: 3.5
+          env: TOXENV=py35
+        - python: 3.6
+          env: TOXENV=py36
+        - python: 3.7-dev
+          env: TOXENV=py37
 install:
     - pip install -r requirements.txt
+    - pip install tox==3.0.0
     - pip install coveralls==1.3.0
-    - pip install pyyaml==3.12
     - pip install coverage==4.5.1
 before_script:
     - coverage erase
 script:
-    - coverage run --source=eav runtests
+    - coverage run --source=eav runtests; tox
 after_success:
-    - coveralls
+    - COVERALLS_REPO_TOKEN=71NkMDQFpFKB9QYXoK12LYuWUEmQ2wD6V coveralls
diff --git a/requirements.txt b/requirements.txt
index 2e84a31..e97c9bd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1 +1 @@
-Django>=1.11.14
+Django>=1.11