diff --git a/pkgs/development/ruby-modules/bundler/default.nix b/pkgs/development/ruby-modules/bundler/default.nix
index d3f66b570019..04e6a6d35a11 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 = "2.5.4";
-  source.sha256 = "sha256-97nwjEfoxmVhOmaKobYz32P4GLmRg87kt5dwSoFu3v4=";
+  version = "2.5.5";
+  source.sha256 = "sha256-E8f+JpAw4qZAKmVMBt7/Aa72dM7WSds76YtVA6CApGI=";
   dontPatchShebangs = true;
 
   postFixup = ''