diff --git a/Gemfile b/Gemfile
index 0084779..ab9b11e 100644
--- a/Gemfile
+++ b/Gemfile
@@ -23,7 +23,7 @@ gem "puma"
 # gem "spork"
 
 group :development do
-  gem "rake", "~> 10.4.2"
+  gem "rake", "~> 12.3.3"
   gem "wrong", ">=0.6.2"
   gem "bourbon"  # do 'cd web/css; bourbon update' to get new bourbon
   gem "foreman"
diff --git a/Gemfile.lock b/Gemfile.lock
index 4ed71fc..74366c8 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -45,7 +45,7 @@ GEM
       rack
     rack-test (0.6.1)
       rack (>= 1.0)
-    rake (10.4.2)
+    rake (12.3.3)
     rb-fchange (0.0.5)
       ffi
     rb-fsevent (0.9.1)
@@ -114,7 +114,7 @@ DEPENDENCIES
   nokogiri
   puma
   rack-test
-  rake (~> 10.4.2)
+  rake (~> 12.3.3)
   rdiscount
   rerun (>= 0.7.0.pre)
   rspec (~> 2.10)