diff --git a/.travis.yml b/.travis.yml
index 20d48ed6..1e48a8dc 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -8,6 +8,7 @@ compiler:
 env:
   matrix:
     - PYTHON_INTERPRETER=python2
+    - PYTHON_INTERPRETER=python3
 script:
   - ./.ci/travis.run
 after_failure: