diff --git a/.travis.yml b/.travis.yml
index e3224ad..3d13151 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,6 +5,6 @@ python:
   - "3.2"
   - "3.3"
 # command to install dependencies
-install: "pip install lxml"
+install: "pip install lxml python-dateutil" 
 # command to run tests
 script: py.test
\ No newline at end of file