diff --git a/pkgs/by-name/js/jsoncpp/package.nix b/pkgs/by-name/js/jsoncpp/package.nix
index dcdd318a49fe..b2961ed1516f 100644
--- a/pkgs/by-name/js/jsoncpp/package.nix
+++ b/pkgs/by-name/js/jsoncpp/package.nix
@@ -13,6 +13,9 @@ stdenv.mkDerivation (finalAttrs: {
   pname = "jsoncpp";
   version = "1.9.7";
 
+  strictDeps = true;
+  __structuredAttrs = true;
+
   outputs = [
     "out"
     "dev"