diff --git a/.travis.yml b/.travis.yml
index 6b87907..7a39e29 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,10 +5,11 @@ env:
   - TOX_ENV=py27
   - TOX_ENV=py33
   - TOX_ENV=py34
-  - TOX_ENV=backport
+  - TOX_ENV=squeeze
+  - TOX_ENV=wheezy
 matrix:
   allow_failures:
-    - env: TOX_ENV=backport
+    - env: TOX_ENV=squeeze
 install:
   - pip install tox
   - sudo rm -rf /dev/shm && sudo ln -s /run/shm /dev/shm
diff --git a/tox.ini b/tox.ini
index 55cf244..bfb9a38 100755
--- a/tox.ini
+++ b/tox.ini
@@ -1,28 +1,40 @@
 [tox]
-envlist = py26,py27,py33,py34
-[testenv:py26]
-deps =
-    argparse
-    configparser
-    unittest2
-    {[testenv]deps}
-[testenv:py27]
-deps =
-    configparser
-    {[testenv]deps}
-[testenv:backport]
-deps =
-    configparser
-    werkzeug==0.8.3
-    html5lib==0.95
-    itsdangerous==0.22
-    ipaddr==2.1.10
-    misaka==1.0.2
-    {[testenv]deps}
+envlist = py27,py33,py34
+
 [testenv]
 deps =
     nose
 commands =
     python setup.py nosetests
-install_command =
-    pip install --allow-external ipaddr --allow-unverified ipaddr {opts} {packages}
+
+[testenv:py26]
+deps =
+    argparse
+    unittest2
+    configparser
+    {[testenv]deps}
+
+[testenv:py27]
+deps =
+    configparser
+    {[testenv]deps}
+
+[testenv:debian]
+deps=
+    werkzeug==0.8.3
+    html5lib==0.95
+    itsdangerous==0.22
+    ipaddr==2.1.10
+    misaka==1.0.2
+
+[testenv:squeeze]
+basepython=python2.6
+deps=
+    {[testenv:py26]deps}
+    {[testenv:debian]deps}
+
+[testenv:wheezy]
+basepython=python2.7
+deps =
+    {[testenv:py27]deps}
+    {[testenv:debian]deps}