diff --git a/Gemfile.lock b/Gemfile.lock
index 6d259e1..a64bf2e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,72 +1,72 @@
 GEM
   remote: https://rubygems.org/
   specs:
     addressable (2.7.0)
       public_suffix (>= 2.0.2, < 5.0)
     colorator (1.1.0)
     concurrent-ruby (1.1.6)
     em-websocket (0.5.1)
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0.6.0)
     eventmachine (1.2.7)
     ffi (1.12.2)
     forwardable-extended (2.6.0)
     htmlbeautifier (1.3.1)
     htmlcompressor (0.4.0)
     http_parser.rb (0.6.0)
     i18n (1.8.2)
       concurrent-ruby (~> 1.0)
     jekyll (4.0.0)
       addressable (~> 2.4)
       colorator (~> 1.0)
       em-websocket (~> 0.5)
       i18n (>= 0.9.5, < 2)
       jekyll-sass-converter (~> 2.0)
       jekyll-watch (~> 2.0)
       kramdown (~> 2.1)
       kramdown-parser-gfm (~> 1.0)
       liquid (~> 4.0)
       mercenary (~> 0.3.3)
       pathutil (~> 0.9)
       rouge (~> 3.0)
       safe_yaml (~> 1.0)
       terminal-table (~> 1.8)
     jekyll-feed (0.13.0)
       jekyll (>= 3.7, < 5.0)
     jekyll-sass-converter (2.1.0)
       sassc (> 2.0.1, < 3.0)
     jekyll-tidy (0.2.2)
       htmlbeautifier
       htmlcompressor
       jekyll
     jekyll-watch (2.2.1)
       listen (~> 3.0)
     kramdown (2.1.0)
     kramdown-parser-gfm (1.1.0)
       kramdown (~> 2.0)
     liquid (4.0.3)
     listen (3.2.1)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
     mercenary (0.3.6)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
-    public_suffix (4.0.3)
+    public_suffix (4.0.4)
     rb-fsevent (0.10.3)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    rouge (3.16.0)
+    rouge (3.18.0)
     safe_yaml (1.0.5)
     sassc (2.2.1)
       ffi (~> 1.9)
     terminal-table (1.8.0)
       unicode-display_width (~> 1.1, >= 1.1.1)
-    unicode-display_width (1.6.1)
+    unicode-display_width (1.7.0)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
   jekyll
   jekyll-feed
   jekyll-tidy