diff --git a/flake.nix b/flake.nix
index 2e87cab..4eff380 100644
--- a/flake.nix
+++ b/flake.nix
@@ -28,7 +28,7 @@
 
             buildInputs = with pkgs; [ openssl sqlite pkg-config ] ++ [ crystal ];
 
-            nativeBuildInputs = with pkgs; [ openssl pkg-config ] ++ [ crystal ];
+            nativeBuildInputs = with pkgs; [ openssl pkg-config yt-dlp ffmpeg ] ++ [ crystal ];
 
             crystal = crystal;
           };