diff --git a/Gemfile b/Gemfile
index 7ee9752..8aa8e23 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,6 +1,6 @@
 source "http://production.cf.rubygems.org/"
 
-gem "rake", "~> 10.1.1"
+gem "rake", "~> 12.3.3"
 gem 'jekyll', '3.1.6'
 
 group :jekyll_plugins do
diff --git a/Gemfile.lock b/Gemfile.lock
index ac6d13a..d9701ef 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -3,6 +3,7 @@ GEM
   specs:
     addressable (2.4.0)
     colorator (0.1)
+    ffi (1.13.1)
     ffi (1.13.1-x64-mingw32)
     jekyll (3.1.6)
       colorator (~> 0.1)
@@ -28,7 +29,7 @@ GEM
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
     mercenary (0.3.6)
-    rake (10.1.1)
+    rake (12.3.3)
     rb-fsevent (0.10.4)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
@@ -41,6 +42,7 @@ GEM
       rb-inotify (~> 0.9, >= 0.9.7)
 
 PLATFORMS
+  ruby
   x64-mingw32
 
 DEPENDENCIES
@@ -48,7 +50,7 @@ DEPENDENCIES
   jekyll-paginate
   jekyll-seo-tag
   jekyll-sitemap
-  rake (~> 10.1.1)
+  rake (~> 12.3.3)
 
 BUNDLED WITH
    2.1.4