diff --git a/.travis.yml b/.travis.yml
index 938ae3df..a8a1737c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,19 +5,29 @@ install:
     - make cythonize
 script: 
     - tox
-language: python
-python:
-    - 3.5
-env:
-    - TOXENV=coveralls DEPENDENCY_INJECTOR_DEBUG_MODE=1
-    - TOXENV=pylint
-    - TOXENV=flake8
-    - TOXENV=pydocstyle
-    - TOXENV=py26
-    - TOXENV=py27
-    - TOXENV=py33
-    - TOXENV=py34
-    - TOXENV=py35
-    - TOXENV=py36
-    - TOXENV=pypy
-    - TOXENV=pypy3
+language:
+    - python
+matrix:
+  include:
+    - python: 2.7
+      env: TOXENV=coveralls DEPENDENCY_INJECTOR_DEBUG_MODE=1
+    - python: 2.7
+      env: TOXENV=pylint
+    - python: 2.7
+      env: TOXENV=flake8
+    - python: 2.7
+      env: TOXENV=pydocstyle
+    - python: 2.6
+      env: TOXENV=py26
+    - python: 2.7
+      env: TOXENV=py27
+    - python: 3.3
+      env: TOXENV=py33
+    - python: 3.4
+      env: TOXENV=py34
+    - python: 3.5
+      env: TOXENV=py35
+    - python: 3.6
+      env: TOXENV=py36
+    - python: pypy
+      env: TOXENV=pypy