diff --git a/pkgs/development/ruby-modules/bundler-app/default.nix b/pkgs/development/ruby-modules/bundler-app/default.nix
index b4cde70bdce2..30072817826b 100644
--- a/pkgs/development/ruby-modules/bundler-app/default.nix
+++ b/pkgs/development/ruby-modules/bundler-app/default.nix
@@ -63,6 +63,8 @@ let
 
       nativeBuildInputs = nativeBuildInputs ++ lib.optionals (scripts != [ ]) [ makeWrapper ];
 
+      strictDeps = true;
+
       meta = {
         mainProgram = pname;
         inherit (ruby.meta) platforms;