diff --git a/.travis.yml b/.travis.yml
index b3b7000f0..3239bb0ef 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -28,6 +28,7 @@ script:
   - cargo build
   - cargo test
   - cargo run --example simple_search
+  - cargo doc
 after_success:
   - cargo coveralls --exclude-pattern cpp/
   - travis-cargo doc-upload