diff --git a/.travis.yml b/.travis.yml
index 8b08d0b..2b801bd 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -29,7 +29,7 @@ env:
   - ZSH=4.3.12
   - ZSH=4.3.11
 
-script: docker run -v $PWD:/work -w /work zshusers/zsh-${ZSH} /bin/sh -c 'make test'
+script: docker run -v $PWD:/work -w /work zshusers/zsh-${ZSH} /bin/sh -c 'install_packages make procps && make test'
 
 notifications:
   webhooks: