diff --git a/.travis.yml b/.travis.yml
index 22bcf700..1ac81de4 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -17,7 +17,7 @@ install:
   - export PATH=${HOME}/maintainer-quality-tools/travis:${PATH}
   - travis_install_nightly
   - printf '[options]\n\nrunning_env = dev' > ${HOME}/.openerp_serverrc
-  - pip install unidecode serial
+  - pip install unidecode pyserial
 
 script:
   - travis_run_tests