diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index e89beb3..f494e16 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,7 +1,9 @@
 archlinux:
   image: "archlinux:latest"
   before_script:
-    - pacman -Sy python python-numpy diffutils --noconfirm --needed
+    - pacman -Sy python python-pip python-numpy diffutils --noconfirm --needed
+    - pip install build
+    - pip install .
   script:
     - ./tests/run.sh
 
@@ -10,6 +12,8 @@ debian:
   before_script:
     - apt update && apt install -y python3 python3-pip python-is-python3
     - pip install numpy
+    - pip install build
+    - pip install .
   script:
     - ./tests/run.sh