diff --git a/Gemfile b/Gemfile
index e45e65f..851fabc 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,2 +1,2 @@
-source :rubygems
+source 'https://rubygems.org'
 gemspec
diff --git a/Gemfile.lock b/Gemfile.lock
index ac45193..adaf395 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -7,20 +7,20 @@ PATH
       text-table (>= 1.2.2)
 
 GEM
-  remote: http://rubygems.org/
+  remote: https://rubygems.org/
   specs:
     aruba (0.5.1)
       childprocess (~> 0.3.6)
       cucumber (>= 1.1.1)
       rspec-expectations (>= 2.7.0)
     builder (3.2.0)
-    childprocess (0.3.8)
+    childprocess (0.3.9)
       ffi (~> 1.0, >= 1.0.11)
-    cucumber (1.2.1)
+    cucumber (1.2.2)
       builder (>= 2.1.2)
       diff-lcs (>= 1.1.3)
-      gherkin (~> 2.11.0)
-      json (>= 1.4.6)
+      gherkin (~> 2.11.6)
+      multi_json (~> 1.3)
     diff-lcs (1.2.1)
     fakefs (0.4.2)
     ffi (1.4.0)