diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index f376611..b85bd9d 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,5 +1,18 @@
 stages:
   - deploy
+  - black
+
+
+black:
+  stage: black
+  image: python:3.8
+
+  before_script:
+    - python -V
+    - pip install -U black==19.10b0
+    - black .
+
+
 # https://github.com/python-gitlab/python-gitlab/blob/master/.gitlab-ci.yml used for reference
 deploy:
   stage: deploy
diff --git a/requirements.txt b/requirements.txt
index 93aadb8..8db176d 100644
Binary files a/requirements.txt and b/requirements.txt differ