diff --git a/.travis.yml b/.travis.yml
index 46038c8..6d04858 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,5 +9,6 @@ install:
   - cpanm Test::More
   - cpanm Data::Dumper
   - cpanm JSON
+  - cpanm JSON::Validator
 script:
   - prove -v