diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index d4faf735..200727e5 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -11,7 +11,7 @@ variables:
   PYTHONDONTWRITEBYTECODE: "1"
 
 before_script:
-  - uv sync -E linting
+  - uv sync --frozen --extra linting
 
 lint:
   stage: lint