diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index d2f4bce..6666be3 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -15,7 +15,7 @@ stages:
 test:
   image: ghcr.io/astral-sh/uv:$UV_VERSION-python$PYTHON_VERSION-$BASE_LAYER
   script:
-    - uv sync
+    - uv sync --frozen
     - python unittests.py
 
 # Test
\ No newline at end of file