diff --git a/lib/datastar/async_executor.rb b/lib/datastar/async_executor.rb
index 9faab15..c140c31 100644
--- a/lib/datastar/async_executor.rb
+++ b/lib/datastar/async_executor.rb
@@ -22,7 +22,9 @@ def initialize
 
     def new_queue = Async::Queue.new
 
-    def prepare(response); end
+    def prepare(response)
+      response.delete_header 'Connection'
+    end
 
     def spawn(&block)
       Async(&block)
diff --git a/spec/async_executor_spec.rb b/spec/async_executor_spec.rb
new file mode 100644
index 0000000..9eef0ad
--- /dev/null
+++ b/spec/async_executor_spec.rb
@@ -0,0 +1,10 @@
+# frozen_string_literal: true
+
+RSpec.describe Datastar::AsyncExecutor do
+  it 'removes Connection header from response' do
+    executor = described_class.new
+    response = Rack::Response.new(nil, 200, { 'Connection' => 'keep-alive'})
+    executor.prepare(response)
+    expect(response.headers.key?('Connection')).to be(false)
+  end
+end