diff --git a/.travis.yml b/.travis.yml
index ca3885c..7f861bd 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,5 +4,7 @@ python:
   - "3.9"
   - "3.9-dev"  # 3.9 development branch
   - "nightly"  # nightly build
+install:
+  - python setup.py install
 script:
   - pytest