diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 56c5129..a4e35cf 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -2,7 +2,7 @@ image: "python:3.8"
 
 before_script:
   - python --version
-  - pip3 install flake8 pytest-asyncio async_property
+  - pip3 install flake8 pytest-asyncio async_property websockets
 
 stages:
   - test