diff --git a/.travis.yml b/.travis.yml
index 01695e2..5395fff 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,7 +4,7 @@ compiler:
 - clang
 install:
 - sudo apt-get update
-- sudo apt-get install -y check libsubunit0
+- sudo apt-get install -y check libsubunit0 libsubunit-dev
 before_script:
 - mkdir build
 - cd build