diff --git a/.travis.yml b/.travis.yml
index f1d9352..7ee8354 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -14,6 +14,11 @@ install:
 script:
     - make test
 
+matrix:
+    include:
+      - make
+      - make debug
+
 before_deploy:
     - rm -rf dist
     - make sdist