diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index f151159..11a32b2 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -17,6 +17,9 @@ black:
 deploy:
   stage: deploy
   image: python:3.8
+  before_script:
+    - pip install twine
+    - python setup.py sdist
   variables:
     TWINE_USERNAME: __token__
     TWINE_PASSWORD: $PYPI_TOKEN