diff --git a/.travis.yml b/.travis.yml
index 66ba481..28f025b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,7 +3,9 @@ language: python
 python:
     - "2.7"
 env:
-    - CKANVERSION=2.7.2 POSTGISVERSION=2
+    - CKANVERSION=2.6.3
+    - CKANVERSION=2.7.3
+    - CKANVERSION=2.8.0
 services:
     - redis-server
     - postgresql
@@ -12,12 +14,12 @@ addons:
 install:
     - bash bin/travis-build.bash
 before_script:
-  - "export DISPLAY=:99.0"
-  - "sh -e /etc/init.d/xvfb start"
-  - sleep 3 # give xvfb some time to start
+    - "export DISPLAY=:99.0"
+    - "sh -e /etc/init.d/xvfb start"
+    - sleep 3 # give xvfb some time to start
 script:
     - sh bin/travis-run.sh
 after_success: coveralls
 branches:
-  only:
-    - develop
\ No newline at end of file
+    only:
+      - master
diff --git a/setup.cfg b/setup.cfg
index 3832f76..fb42de6 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,3 +1,9 @@
+[bdist_wheel]
+universal = 1
+
+[flake8]
+ignore=E501
+
 [metadata]
 description-file = README.md
 
@@ -9,4 +15,7 @@ with-coverage=1
 cover-package=ckanext.privatedatasets
 cover-inclusive=1
 cover-erase=1
-cover-xml=1
\ No newline at end of file
+cover-xml=1
+
+[pep8]
+ignore=E501