diff --git a/test/open-uri/utils.rb b/test/open-uri/utils.rb
index 80d3f2b219..c0d79ebdba 100644
--- a/test/open-uri/utils.rb
+++ b/test/open-uri/utils.rb
@@ -1,4 +1,5 @@
 require 'socket'
+require 'net/http'
 begin
   require 'openssl'
 rescue LoadError