diff --git a/Gemfile b/Gemfile
index e62e866..bcde795 100644
--- a/Gemfile
+++ b/Gemfile
@@ -3,7 +3,7 @@ source "http://rubygems.org"
 gem 'rest-client', '1.6.7'
 gem 'nokogiri-happymapper', '0.5.5'
 
-gem 'rake', '0.9.2.2', :group => [:development, :test]
+gem 'rake', '12.3.3', :group => [:development, :test]
 
 group :test do
   gem 'rspec', '2.11.0'
diff --git a/Gemfile.lock b/Gemfile.lock
index 0decdbe..b4c2ad1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -8,7 +8,7 @@ GEM
     nokogiri (1.5.5)
     nokogiri-happymapper (0.5.5)
       nokogiri (~> 1.4)
-    rake (0.9.2.2)
+    rake (12.3.3)
     redcarpet (2.1.1)
     rest-client (1.6.7)
       mime-types (>= 1.16)
@@ -30,7 +30,7 @@ PLATFORMS
 
 DEPENDENCIES
   nokogiri-happymapper (= 0.5.5)
-  rake (= 0.9.2.2)
+  rake (= 12.3.3)
   redcarpet (= 2.1.1)
   rest-client (= 1.6.7)
   rspec (= 2.11.0)