1 files changed, 1 insertions, 1 deletions

diff --git a/Gemfile b/Gemfile
index efc9dee..69425db 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,4 +1,4 @@
-source 'https://rubygems.org'
+source 'https://gem.coop'
 gem 'asciidoctor'
 gem 'asciidoctor-pdf'
 gem 'asciidoctor-epub3'