diff --git a/.travis.yml b/.travis.yml
index 1f8ff37..669c6ba 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,4 +3,7 @@ python:
   - "3.2"
   - "3.3"
   - "3.4"
+before_install:
+  - sudo apt-get update -qq
+  - sudo apt-get install -qq realpath
 script: ./test.sh