diff --git a/.ci/Dockerfile.gitlabci b/.ci/Dockerfile.gitlabci
index 0e22916a6..e89f81c2f 100644
--- a/.ci/Dockerfile.gitlabci
+++ b/.ci/Dockerfile.gitlabci
@@ -25,4 +25,4 @@ RUN apt-get install -y build-essential \
 RUN apt-get install -y $(./run --list-dependencies)
 
 # Coverage should know that test_functional.py files are tests
-RUN pip3 install splinter pytest-bdd
+RUN pip3 install --break-system-packages splinter pytest-bdd