diff --git a/.travis.yml b/.travis.yml
index 8bf445100ad6320081a2fd87d10b3567e8cf115b..ddb930fc29fabfde777ed4ee86ee01206c5dbc45 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -20,7 +20,7 @@ before_script:
   - curl -OL http://raw.github.com/craigcitro/r-travis/master/scripts/travis-tool.sh
   - chmod 755 ./travis-tool.sh
   - "./travis-tool.sh bootstrap"
-  - "./travis-tool.sh install_deps - ./travis-tool.sh install_r XML RCurl plyr reshape2 lubridate httr knitr xtable"
+  - "./travis-tool.sh install_deps - ./travis-tool.sh install_r XML RCurl plyr reshape2 lubridate httr knitr xtable testthat"
 
 
 on_failure: