diff --git a/.travis.yml b/.travis.yml
index 34590a8..70d0584 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,6 +4,7 @@ jobs:
   include:
     - language: python
       python: 3.8
+      install: pip install -U mypy
       before_script:
         - cd python
       script: