diff --git a/Gemfile b/Gemfile
index 9f336726..81ee64f7 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,4 +1,4 @@
-source "http://rubygems.org"
+source "https://rubygems.org"
 gemspec
 
 
diff --git a/Gemfile.lock b/Gemfile.lock
index b629ff7e..6dc56597 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -9,7 +9,7 @@ PATH
       sinatra-r18n (~> 1.1.0)
 
 GEM
-  remote: http://rubygems.org/
+  remote: https://rubygems.org/
   specs:
     activemodel (3.2.8)
       activesupport (= 3.2.8)
@@ -117,3 +117,6 @@ DEPENDENCIES
   rubycas-server!
   sqlite3 (~> 1.3.1)
   webmock (~> 1.8)
+
+BUNDLED WITH
+   1.15.3