diff --git a/.coveragerc b/.coveragerc
new file mode 100644
index 0000000..dac7851
--- /dev/null
+++ b/.coveragerc
@@ -0,0 +1,19 @@
+[run]
+branch = True
+source = preserialize
+
+[report]
+exclude_lines =
+    pragma: no cover
+    def __repr__
+    def __str__
+    def __unicode__
+    if self.debug:
+    if settings.DEBUG
+    raise AssertionError
+    raise NotImplemented(Error)?
+    if 0:
+    if __name__ == .__main__.:
+
+[html]
+directory = coverage
diff --git a/.travis.yml b/.travis.yml
index 4670beb..46494f4 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,6 +6,9 @@ env:
     - DJANGO=1.4.5
     - DJANGO=1.5.1
 install:
+    - pip install coveralls
     - pip install -q Django==$DJANGO --use-mirrors
 script:
-    - python setup.py test
+    - coverage run --source=preserialize setup.py test
+after_success:
+    - coveralls