diff --git a/scripts/Gemfile b/scripts/Gemfile
index 5993cff..c748d52 100644
--- a/scripts/Gemfile
+++ b/scripts/Gemfile
@@ -1,2 +1,4 @@
+source 'https://rubygems.org'
+
 gem 'nokogiri'
 gem 'activesupport'
diff --git a/scripts/Gemfile.lock b/scripts/Gemfile.lock
index 3b15fe6..1b61fa7 100644
--- a/scripts/Gemfile.lock
+++ b/scripts/Gemfile.lock
@@ -1,4 +1,5 @@
 GEM
+  remote: https://rubygems.org/
   specs:
     activesupport (5.1.4)
       concurrent-ruby (~> 1.0, >= 1.0.2)