diff --git a/overlay.nix b/overlay.nix
index 28b5e75..721c7ba 100644
--- a/overlay.nix
+++ b/overlay.nix
@@ -12,7 +12,7 @@ final: prev:
       lockfile = "./deno.lock";
       config = "./deno.json";
 
-      buildInputs = [
+      buildInputs = with prev; [
         sane-backends
         python39Packages.img2pdf
       ];