diff --git a/Gemfile b/Gemfile
old mode 100755
new mode 100644
index 900dd4b..44dce03
--- a/Gemfile
+++ b/Gemfile
@@ -3,7 +3,7 @@
 source 'http://rubygems.org'
 
 group :development do
-  gem 'rake', '~>10.5'
+  gem 'rake', '~>12.3'
   gem 'sass', '~>3.4'
   gem 'jekyll', '~> 3'
   gem 'jekyll-paginate', group: [:jekyll_plugins]
diff --git a/Gemfile.lock b/Gemfile.lock
old mode 100755
new mode 100644
index cc7875c..2444db5
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -36,7 +36,7 @@ GEM
     public_suffix (2.0.5)
     pygments.rb (1.1.2)
       multi_json (>= 1.0.0)
-    rake (10.5.0)
+    rake (12.3.3)
     rb-fsevent (0.9.8)
     rb-inotify (0.9.8)
       ffi (>= 0.5.0)
@@ -53,7 +53,7 @@ DEPENDENCIES
   jekyll-paginate
   kramdown
   pygments.rb
-  rake (~> 10.5)
+  rake (~> 12.3)
   sass (~> 3.4)
 
 BUNDLED WITH