diff --git a/.travis.yml b/.travis.yml
index a365e3b..8bbc3b0 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,9 +1,13 @@
 language: python
 
-# Python 3.5 specified to make tox environment 'py35' work.
+# Python versions specified to make tox environment 'py35' and 'py36' work.
 # See: https://github.com/travis-ci/travis-ci/issues/4794
 python:
+  - 2.7
+  - 3.3
+  - 3.4
   - 3.5
+  - 3.6
 
 # Environment changes have to be manually synced with 'tox.ini'.
 # See: https://github.com/travis-ci/travis-ci/issues/3024
@@ -12,9 +16,11 @@ env:
   - TOXENV=py33
   - TOXENV=py34
   - TOXENV=py35
+  - TOXENV=py36
   - TOXENV=pypy
 
 install:
+  - pip install tox-travis
   - pip install -r requirements.txt
   - pip install coveralls
 
@@ -22,6 +28,6 @@ script:
   - tox
 
 after_success:
-  # Coveralls submission only for py35 environment, because of being the only
+  # Coveralls submission only for py36 environment, because of being the only
   # one that executes doctest-modules testing, according to tox.ini.
-  - if [ ${TOXENV} = "py35" ]; then coveralls; fi
+  - if [ ${TOXENV} = "py36" ]; then coveralls; fi
diff --git a/tox.ini b/tox.ini
index 1b84ab8..bc5bf4e 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py27,py33,py34,py35,pypy
+envlist = py27,py33,py34,py35,py36,pypy
 
 [pytest]
 addopts = -v --cov flickrapi --cov-report term-missing
@@ -15,5 +15,5 @@ deps=pytest==2.9.1
      requests-toolbelt==0.3.1
      six==1.9.0
 
-[testenv:py35]
+[testenv:py36]
 commands=py.test --doctest-modules flickrapi tests