diff --git a/shell.nix b/shell.nix
index 7bb4bd7..87bc795 100644
--- a/shell.nix
+++ b/shell.nix
@@ -7,6 +7,7 @@ with pkgs;
 
 mkShell {
   nativeBuildInputs = [
+    addlicense
     go-licence-detector
     go_1_23
     golangci-lint