diff --git a/.travis.yml b/.travis.yml
index 8ee0492..62b4b12 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,10 @@
 language: python
 python:
+  - "2.6"
   - "2.7"
   - "3.3"
+  - "3.4"
+  - "3.5"
 install:
   - pip install -e .
   - pip install pytest coverage coveralls --use-mirrors
diff --git a/README.rst b/README.rst
index f84f2db..53d2b91 100644
--- a/README.rst
+++ b/README.rst
@@ -18,7 +18,7 @@ Python **Rex** is regular expressions for humans. (**Rex** is also abbreviation
 **Rex** also is `latin for "king" <http://en.wikipedia.org/wiki/Rex>`_, and the king of regular expressions is Perl.
 So **Rex** API tries to mimic at least some Perl's idioms.
 
-Supported Python versions: 2.6, 2.7, 3.3
+Supported Python versions: 2.6+, 3.3+
 
 Installation
 ============
diff --git a/setup.py b/setup.py
index ac82be7..21b2994 100644
--- a/setup.py
+++ b/setup.py
@@ -22,5 +22,7 @@
         'Programming Language :: Python :: 2.7',
         'Programming Language :: Python :: 3',
         'Programming Language :: Python :: 3.3',
+        'Programming Language :: Python :: 3.4',
+        'Programming Language :: Python :: 3.5',
     ),
 )
diff --git a/tox.ini b/tox.ini
index 0d5c3d5..8467f42 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,6 +1,6 @@
 [tox]
-envlist = py26,py27,py33
+envlist = py26,py27,py33,py34,py35
 
 [testenv]
 deps=pytest
-commands=py.test
\ No newline at end of file
+commands=py.test