diff --git a/src/Gemfile.lock b/src/Gemfile.lock
index 7352c59..1a9a85e 100644
--- a/src/Gemfile.lock
+++ b/src/Gemfile.lock
@@ -1,78 +1,78 @@
 GEM
   remote: https://rubygems.org/
   specs:
     addressable (2.6.0)
       public_suffix (>= 2.0.2, < 4.0)
     colorator (1.1.0)
     concurrent-ruby (1.1.5)
     extras (0.3.0)
       forwardable-extended (~> 2.5)
     fastimage (2.1.5)
     ffi (1.11.1)
     font-awesome-sass (4.7.0)
       sass (>= 3.2)
     forwardable-extended (2.6.0)
     jekyll (3.3.0)
       addressable (~> 2.4)
       colorator (~> 1.0)
       jekyll-sass-converter (~> 1.0)
       jekyll-watch (~> 1.1)
       kramdown (~> 1.3)
       liquid (~> 3.0)
       mercenary (~> 0.3.3)
       pathutil (~> 0.9)
       rouge (~> 1.7)
       safe_yaml (~> 1.0)
     jekyll-assets (2.4.0)
       concurrent-ruby (~> 1.0)
       extras (~> 0.2)
       fastimage (~> 2.0, >= 1.8)
       jekyll (~> 3.1, >= 3.0)
       pathutil (>= 0.8)
       rack (~> 1.6)
       sprockets (~> 3.3, < 3.8)
     jekyll-sass-converter (1.5.2)
       sass (~> 3.4)
     jekyll-watch (1.5.0)
       listen (~> 3.0, < 3.1)
     json (2.2.0)
     kramdown (1.17.0)
     liquid (3.0.6)
     listen (3.0.8)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
     mercenary (0.3.6)
     minima (2.0.0)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
     public_suffix (2.0.5)
-    rack (1.6.11)
+    rack (1.6.13)
     rb-fsevent (0.10.3)
     rb-inotify (0.9.10)
       ffi (>= 0.5.0, < 2)
     rouge (1.11.1)
     ruby_dep (1.3.1)
     safe_yaml (1.0.5)
     sass (3.7.4)
       sass-listen (~> 4.0.0)
     sass-listen (4.0.0)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
     sprockets (3.7.2)
       concurrent-ruby (~> 1.0)
       rack (> 1, < 3)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
   font-awesome-sass
   jekyll (= 3.3.0)
   jekyll-assets
   jekyll-watch (< 1.5.1)
   json
   listen (< 3.1)
   minima (~> 2.0)
   public_suffix (< 3.0)
   rb-inotify (< 0.10)
   ruby_dep (< 1.4)