diff --git a/.travis.yml b/.travis.yml
index b47659f..e0f7ac3 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -23,6 +23,7 @@ install:
   - pip install pycodestyle
   - pip install pylru
   - pip install pyrocksdb
+  - pip install pytest-asyncio
   - pip install pytest-cov
   - pip install Sphinx
 # hashes