diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 1a2f7b0..fec6fc1 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -10,6 +10,7 @@ default:
   before_script:
     - mkdir -p /etc/nix
     - echo "experimental-features = nix-command flakes" >> /etc/nix/nix.conf
+    - export NIXPKGS_ALLOW_UNFREE=1
     - cachix use "$CACHIX_CACHE_NAME"
 
 general-packages:
@@ -17,7 +18,7 @@ general-packages:
   inherit:
     default: [before_script, image]
   script:
-    - cachix watch-exec robossembler -- nix develop .#all  -c echo "General Packages is BUILT"
+    - cachix watch-exec robossembler -- nix develop .#all --impure -c echo "General Packages is BUILT"
 
 ros-packages:
   stage: build
@@ -31,4 +32,4 @@ perception-packages:
   inherit:
     default: [before_script, image]
   script:
-    - cachix watch-exec robossembler -- nix develop .#perception -c echo "PERCEPTION packages is BUILT"
+    - cachix watch-exec robossembler -- nix develop .#perception --impure -c echo "PERCEPTION packages is BUILT"