diff --git a/.travis.yml b/.travis.yml
index 9b03293..b924f3b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,7 +9,7 @@ env:
     - TOXENV=py35
 install:
     - pip install -U pip
-    - pip install -U Flask tox coverage codecov
+    - pip install -U Flask tox coverage codecov celery
 script:
     - tox
 after_success: