diff --git a/Gemfile b/Gemfile
index 62c7c4c..4199b9c 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,7 +1,7 @@
 source "http://rubygems.org"
 
 gem 'activemodel',  '~> 3.0'
-gem 'rake',         '~> 0.8.7'
+gem 'rake',         '~> 12.3.3'
 gem 'shoulda',      '~> 2.11.3'
 gem 'mocha',        '~> 0.9.8'
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 0c3d150..a688260 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -16,7 +16,7 @@ GEM
     i18n (0.6.0)
     mocha (0.9.12)
     multi_json (1.0.3)
-    rake (0.8.7)
+    rake (12.3.3)
     shoulda (2.11.3)
 
 PLATFORMS
@@ -26,5 +26,5 @@ DEPENDENCIES
   activemodel (~> 3.0)
   appraisal
   mocha (~> 0.9.8)
-  rake (~> 0.8.7)
+  rake (~> 12.3.3)
   shoulda (~> 2.11.3)
diff --git a/completeness-fu.gemspec b/completeness-fu.gemspec
index 8588d55..d1c0c74 100644
--- a/completeness-fu.gemspec
+++ b/completeness-fu.gemspec
@@ -32,18 +32,18 @@ Gem::Specification.new do |s|
 
     if Gem::Version.new(Gem::RubyGemsVersion) >= Gem::Version.new('1.2.0') then
       s.add_dependency(%q<activemodel>,         ["~> 3.0"])
-      s.add_development_dependency(%q<rake>,    ["~> 0.8.7"])
+      s.add_development_dependency(%q<rake>,    "~> 12.3.3")
       s.add_development_dependency(%q<shoulda>, ["~> 2.11.3"])
       s.add_development_dependency(%q<mocha>,   ["~> 0.9.8"])
     else
       s.add_dependency(%q<activemodel>, ["~> 3.0"])
-      s.add_dependency(%q<rake>,        ["~> 0.8.7"])
+      s.add_dependency(%q<rake>,        "~> 12.3.3")
       s.add_dependency(%q<shoulda>,     ["~> 2.11.3"])
       s.add_dependency(%q<mocha>,       ["~> 0.9.8"])
     end
   else
     s.add_dependency(%q<activemodel>, ["~> 3.0"])
-    s.add_dependency(%q<rake>,        ["~> 0.8.7"])
+    s.add_dependency(%q<rake>,        "~> 12.3.3")
     s.add_dependency(%q<shoulda>,     ["~> 2.11.3"])
     s.add_dependency(%q<mocha>,       ["~> 0.9.8"])
   end