diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 05c549a05..82a1cd68a 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -91,7 +91,7 @@ check-format:
   stage: test
   image: python:3.9
   before_script:
-    - pip install 'black<2024'
+    - pip install 'black<24'
   script:
     - black . --check --diff
   <<: *pip-cache