diff --git a/pkgs/development/ruby-modules/bundler/default.nix b/pkgs/development/ruby-modules/bundler/default.nix
index 7f89d1ffa87c..65cde9815029 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 = "1.16.3";
-  source.sha256 = "0spddjiq6yscl4sywwcj5zrjk3lq02zacigrz2fh78yfdzyi34fq";
+  version = "1.16.4";
+  source.sha256 = "15zrxqv817w4vawc23lx3miigir36ba59wkykkr6l1nkf0iy013d";
   dontPatchShebangs = true;
 
   postFixup = ''