diff --git a/frameworks/Ruby/grape/Gemfile b/frameworks/Ruby/grape/Gemfile
index 185a55f68e2..1aea70fade0 100644
--- a/frameworks/Ruby/grape/Gemfile
+++ b/frameworks/Ruby/grape/Gemfile
@@ -4,6 +4,6 @@ gem 'mysql2', '0.5.6'
 gem 'unicorn', '6.1.0'
 gem 'puma', '~> 6.4'
 gem 'activerecord', '~> 7.1.0', :require => 'active_record'
-gem 'grape', '2.0.0'
+gem 'grape', '2.1.1'
 gem 'multi_json', require: 'multi_json'
 gem 'oj', '~> 3.16'
diff --git a/frameworks/Ruby/grape/README.md b/frameworks/Ruby/grape/README.md
index 6e35abfae04..87f4e3f1c2a 100644
--- a/frameworks/Ruby/grape/README.md
+++ b/frameworks/Ruby/grape/README.md
@@ -11,7 +11,7 @@ comparing a variety of web servers.
 ## Infrastructure Software Versions
 The tests were run with:
 
-* [Ruby 3.3](http://www.ruby-lang.org/)
+* [Ruby 3.4](http://www.ruby-lang.org/)
 * [Grape 2.0.0](http://www.ruby-grape.org/)
 * [Unicorn 6.1.0](https://yhbt.net/unicorn/)
 * [Puma 6.4](https://puma.io/)
diff --git a/frameworks/Ruby/grape/config.ru b/frameworks/Ruby/grape/config.ru
index 22142a30c72..a91b5364a11 100644
--- a/frameworks/Ruby/grape/config.ru
+++ b/frameworks/Ruby/grape/config.ru
@@ -77,7 +77,7 @@ module Acme
 
   class API < Grape::API
     before do
-      header 'Date', Time.now.httpdate
+      header 'Date', Time.now.httpdate if defined?(Puma)
       header 'Server', 'WebServer'
     end
     content_type :json, 'application/json'
diff --git a/frameworks/Ruby/grape/grape-unicorn.dockerfile b/frameworks/Ruby/grape/grape-unicorn.dockerfile
index f805021f71e..4f32633e8bb 100644
--- a/frameworks/Ruby/grape/grape-unicorn.dockerfile
+++ b/frameworks/Ruby/grape/grape-unicorn.dockerfile
@@ -1,4 +1,4 @@
-FROM ruby:3.3
+FROM ruby:3.4
 
 ENV RUBY_YJIT_ENABLE=1
 
diff --git a/frameworks/Ruby/grape/grape.dockerfile b/frameworks/Ruby/grape/grape.dockerfile
index 99898d43e65..e14f49a9bb4 100644
--- a/frameworks/Ruby/grape/grape.dockerfile
+++ b/frameworks/Ruby/grape/grape.dockerfile
@@ -1,4 +1,4 @@
-FROM ruby:3.3
+FROM ruby:3.4
 
 ENV RUBY_YJIT_ENABLE=1