diff --git a/pkgs/development/ruby-modules/bundler/default.nix b/pkgs/development/ruby-modules/bundler/default.nix
index 53e47630fbb..9251c4d2a41 100644
--- a/pkgs/development/ruby-modules/bundler/default.nix
+++ b/pkgs/development/ruby-modules/bundler/default.nix
@@ -4,8 +4,8 @@ buildRubyGem rec {
   inherit ruby;
   name = "${gemName}-${version}";
   gemName = "bundler";
-  version = "1.15.1";
-  sha256 = "1mq0n8g08vf2rnd7fvylx3f4sspx15abid49gycf9zzsjj7w8vps";
+  version = "1.14.6";
+  sha256 = "0h3x2csvlz99v2ryj1w72vn6kixf7rl35lhdryvh7s49brnj0cgl";
   dontPatchShebangs = true;
 
   postFixup = ''