diff --git a/lib/async/http/endpoint.rb b/lib/async/http/endpoint.rb
index 614f1b0..e8579bf 100644
--- a/lib/async/http/endpoint.rb
+++ b/lib/async/http/endpoint.rb
@@ -14,6 +14,11 @@
 require_relative "protocol/http"
 require_relative "protocol/https"
 
+require "uri"
+
+# Compatibility with Ruby 3.1.2
+require "uri/wss"
+
 module Async
 	module HTTP
 		# Represents a way to connect to a remote HTTP server.