diff --git a/.coveragerc b/.coveragerc
new file mode 100644
index 0000000..b68ea2f
--- /dev/null
+++ b/.coveragerc
@@ -0,0 +1,21 @@
+[run]
+branch = True
+source = codetools
+omit = */tests/*
+
+[report]
+# Regexes for lines to exclude from consideration
+exclude_lines =
+    # Have to re-enable the standard pragma
+    pragma: no cover
+
+    # Don't complain about missing debug-only code:
+    def __repr__
+
+    # Don't complain if tests don't hit defensive assertion code:
+    raise AssertionError
+    raise NotImplementedError
+
+    if __name__ == .__main__.:
+
+ignore_errors = True
diff --git a/.travis.yml b/.travis.yml
index b6ebb39..0eb2974 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,22 +2,20 @@ language: python
 python:
   - 2.7
   - 2.6
-install:
-  # nose is already installed
-  - pip install unittest2 coverage futures
-  - sudo apt-get install python-numpy
+before_install:
+  - sudo apt-get update
   - sudo apt-get install swig
-  # Test against the current master of traits
-  - pip install git+http://github.com/enthought/traits.git#egg=traits
-  - pip install git+http://github.com/enthought/traitsui.git#egg=traitsui
-  - pip install git+http://github.com/enthought/enable.git#egg=enable
-  - pip install git+http://github.com/enthought/chaco.git#egg=chaco
-  - pip install git+http://github.com/enthought/scimath.git#egg=scimath
-  - pip install git+http://github.com/enthought/apptools.git#egg=apptools
-  - pip install git+http://github.com/enthought/blockcanvas.git#egg=blockcanvas
+install:
+  - pip install cython
+  - pip install -r dev_requirements.txt
+  - if [[ $TRAVIS_PYTHON_VERSION == '2.6' ]]; then pip install unittest2; fi
   - python setup.py develop
+  # there is a circular dependency with codetools
+  - pip install -e git+http://github.com/enthought/blockcanvas.git#egg=blockcanvas
 script:
-  - nosetests --with-coverage --cover-package=codetools
+  - coverage run -m nose.core
 notifications:
   email:
     - travis-ci@enthought.com
+after_success:
+  coveralls
diff --git a/dev_requirements.txt b/dev_requirements.txt
new file mode 100644
index 0000000..4c0d686
--- /dev/null
+++ b/dev_requirements.txt
@@ -0,0 +1,14 @@
+--allow-external PIL
+--allow-unverified PIL
+numpy
+coverage
+futures
+coveralls
+-e git+http://github.com/enthought/scimath.git#egg=scimath
+-e git+http://github.com/enthought/traits.git#egg=traits
+-e git+http://github.com/enthought/traitsui.git#egg=traitsui
+-e git+http://github.com/enthought/pyface.git#egg=pyface
+-e git+http://github.com/enthought/enable.git#egg=enable
+-e git+http://github.com/enthought/apptools.git#egg=apptools
+-e git+http://github.com/enthought/etsdevtools.git#egg=etsdevtools
+