diff --git a/.travis.yml b/.travis.yml
index 4ecd9b6..1284119 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,3 +3,6 @@ rust:
   - nightly
   - beta
   - stable
+script:
+  - cargo test --verbose --all # default features
+  - cargo test --verbose --all --no-default-features # excludes std