diff --git a/.drone.yml b/.drone.yml
index a5eb91d7..395067e8 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -10,3 +10,4 @@ steps:
       #- nix-shell --pure --run "flutter build apk --split-per-abi"
     environment:
       NIX_PATH: "nixpkgs=/nix/var/nix/profiles/per-user/root/channels/nixos:/nix/var/nix/profiles/per-user/root/channels"
+      NIXPKGS_ALLOW_UNFREE: 1