diff --git a/Gemfile b/Gemfile
index af50c0c..8ef7e9a 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1 +1,3 @@
+source 'https://rubygems.org'
+
 gem 'faraday'
diff --git a/Gemfile.lock b/Gemfile.lock
index 593bb24..624914e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,4 +1,5 @@
 GEM
+  remote: https://rubygems.org/
   specs:
     faraday (0.8.8)
       multipart-post (~> 1.2.0)
@@ -9,3 +10,6 @@ PLATFORMS
 
 DEPENDENCIES
   faraday
+
+BUNDLED WITH
+   1.17.1