diff --git a/Gemfile b/Gemfile
index 4adaeee..e841d58 100644
--- a/Gemfile
+++ b/Gemfile
@@ -11,7 +11,6 @@ gem "rubocop-rake", require: false
 gem "rubocop-shopify", require: false
 
 gem "puma", ">= 5.0.0"
-gem "rack", ">= 2.0.0"
 gem "rackup", ">= 2.1.0"
 
 gem "activesupport"
diff --git a/examples/http_server.rb b/examples/http_server.rb
index a8e2cf5..df4189c 100644
--- a/examples/http_server.rb
+++ b/examples/http_server.rb
@@ -2,7 +2,6 @@
 
 $LOAD_PATH.unshift(File.expand_path("../lib", __dir__))
 require "mcp"
-require "rack"
 require "rackup"
 require "json"
 require "logger"
diff --git a/examples/streamable_http_server.rb b/examples/streamable_http_server.rb
index 11cc2e5..82566fc 100644
--- a/examples/streamable_http_server.rb
+++ b/examples/streamable_http_server.rb
@@ -2,7 +2,6 @@
 
 $LOAD_PATH.unshift(File.expand_path("../lib", __dir__))
 require "mcp"
-require "rack"
 require "rackup"
 require "json"
 require "logger"