2 files changed, 5 insertions, 2 deletions
diff --git a/Gemfile b/Gemfile
index 1c9ce0c..a5cbb88 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,3 +1,5 @@
+source 'https://rubygems.org'
+
 # Command line option parsing
 gem 'optimist'
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 843f352..6d39aad 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,11 +1,12 @@
 GEM
+  remote: https://rubygems.org/
   specs:
     daemons (1.3.1)
     eventmachine (1.2.7)
     mustermann (1.1.1)
       ruby2_keywords (~> 0.0.1)
-    optimist (3.0.0)
-    rack (2.2.2)
+    optimist (3.0.1)
+    rack (2.2.3)
     rack-protection (2.0.8.1)
       rack
     ruby2_keywords (0.0.2)