diff --git a/.travis.yml b/.travis.yml
index 45ba4a89..d7f8f8f4 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,6 +9,7 @@ install:
 - bash ci/install.sh
 script:
 - mdbook build
+- mdbook test
 notifications:
   email:
     on_success: never