diff --git a/pkgs/development/ruby-modules/bundled-common/default.nix b/pkgs/development/ruby-modules/bundled-common/default.nix
index 7bad0b442da6..9d01e4531159 100644
--- a/pkgs/development/ruby-modules/bundled-common/default.nix
+++ b/pkgs/development/ruby-modules/bundled-common/default.nix
@@ -21,6 +21,7 @@
 , groups ? null
 , ignoreCollisions ? false
 , buildInputs ? []
+, extraConfigPaths ? []
 , ...
 }@args:
 
@@ -83,6 +84,8 @@ let
     ${maybeCopyAll mainGemName}
     cp ${gemFiles.gemfile} $out/Gemfile || ls -l $out/Gemfile
     cp ${gemFiles.lockfile} $out/Gemfile.lock || ls -l $out/Gemfile.lock
+
+    ${lib.concatMapStringsSep "\n" (path: "cp -r ${path} $out/") extraConfigPaths}
   '';
 
   buildGem = name: attrs: (