diff --git a/Gemfile b/Gemfile
index 6fc115d..26b7a2a 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-
+source "https://rubygems.org"
 gem "nokogiri", "~> 1.13"
 gem "paint", "~> 2.2"
 gem "json", "~> 2.6"