diff --git a/Gemfile.lock b/Gemfile.lock
index 1970cd2..8b3428b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -42,7 +42,7 @@ GEM
       coderay (~> 1.0.5)
       method_source (~> 0.8)
       slop (~> 3.4)
-    rake (0.9.6)
+    rake (12.3.3)
     rb-fsevent (0.9.3)
     rspec (2.7.0)
       rspec-core (~> 2.7.0)
@@ -66,6 +66,6 @@ DEPENDENCIES
   fakeweb (~> 1.3.0)
   growl (~> 1.0.3)
   guard-rspec (~> 0.5.0)
-  rake (~> 0.9.2)
+  rake (~> 12.3.3)
   rb-fsevent (~> 0.9.2)
   rspec (~> 2.7.0)
diff --git a/chargify_api_ares.gemspec b/chargify_api_ares.gemspec
index 6e00603..f7bca47 100644
--- a/chargify_api_ares.gemspec
+++ b/chargify_api_ares.gemspec
@@ -20,7 +20,7 @@ Gem::Specification.new do |s|
   s.add_runtime_dependency('activeresource', '>= 2.3.5')
 
   # Development Dependencies
-  s.add_development_dependency('rake', '~> 0.9.2')
+  s.add_development_dependency('rake', '~> 12.3.3')
   s.add_development_dependency('rspec', '~> 2.7.0')
   s.add_development_dependency('factory_girl', '~> 2.1.0')
   s.add_development_dependency('fakeweb', '~> 1.3.0')