diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index b9ee384..aa91d05 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -2,8 +2,8 @@ archlinux:
   image: "archlinux:latest"
   before_script:
     - pacman -Sy python python-pip python-numpy diffutils --noconfirm --needed
-    - pip install build
-    - pip install .
+    - pip install build --break-system-packages
+    - pip install . --break-system-packages
   script:
     - ./tests/run.sh
 
@@ -11,9 +11,9 @@ debian:
   image: "debian:latest"
   before_script:
     - apt update && apt install -y python3 python3-pip python-is-python3
-    - pip install numpy
-    - pip install build
-    - pip install .
+    - pip install numpy --break-system-packages
+    - pip install build --break-system-packages
+    - pip install . --break-system-packages
   script:
     - ./tests/run.sh