diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index d7c9f02..4ae3f02 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -82,5 +82,5 @@ python linting:
     - pip install -r requirements/gitlab.txt
   script:
     - isort -rc src/ --check-only
-    - black -l 90 --check src/
+    - black -l 88 --check src/
     - autoflake -rc src/