diff --git a/shell.nix b/shell.nix
new file mode 100644
index 0000000..024bb7b
--- /dev/null
+++ b/shell.nix
@@ -0,0 +1,21 @@
+let
+  mozilla = import (builtins.fetchTarball https://github.com/mozilla/nixpkgs-mozilla/archive/master.tar.gz);
+in
+
+with (import <nixpkgs> {
+  overlays = [mozilla];
+});
+
+mkShell {
+  name = "ffmpeg-sys";
+
+  buildInputs = [
+    # For building.
+    clang rustChannels.stable.rust pkg-config ffmpeg
+  ];
+
+  RUST_BACKTRACE = 1;
+  RUSTFLAGS = "-C target-cpu=native";
+
+  LIBCLANG_PATH = "${llvmPackages.libclang}/lib";
+}