diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 2b6b55b..d0eda97 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -12,6 +12,7 @@ Build_STL:
     - openscad -o Slider_back.stl Slider_back.scad
     - openscad -o Slider_front.stl Slider_front.scad
     - openscad -o ZSlider_holder.stl ZSlider_holder.scad
+    - openscad -o ZSlider_mid.stl ZSlider_mid.scad
   artifacts:
     expire_in: 2 days
     paths: