diff --git a/Gemfile.lock b/Gemfile.lock
index 8c8228c..eb5894e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -6,22 +6,43 @@ GEM
       minitest (~> 5.1)
       thread_safe (~> 0.3, >= 0.3.4)
       tzinfo (~> 1.1)
-    addressable (2.5.2)
-      public_suffix (>= 2.0.2, < 4.0)
+    addressable (2.8.0)
+      public_suffix (>= 2.0.2, < 5.0)
     coffee-script (2.4.1)
       coffee-script-source
       execjs
     coffee-script-source (1.11.1)
     colorator (1.1.0)
-    concurrent-ruby (1.0.5)
-    ethon (0.11.0)
-      ffi (>= 1.3.0)
+    concurrent-ruby (1.1.9)
+    em-websocket (0.5.2)
+      eventmachine (>= 0.12.9)
+      http_parser.rb (~> 0.6.0)
+    ethon (0.14.0)
+      ffi (>= 1.15.0)
+    eventmachine (1.2.7)
+    eventmachine (1.2.7-x64-mingw32)
     execjs (2.7.0)
-    faraday (0.13.1)
+    faraday (1.5.1)
+      faraday-em_http (~> 1.0)
+      faraday-em_synchrony (~> 1.0)
+      faraday-excon (~> 1.1)
+      faraday-httpclient (~> 1.0.1)
+      faraday-net_http (~> 1.0)
+      faraday-net_http_persistent (~> 1.1)
+      faraday-patron (~> 1.0)
       multipart-post (>= 1.2, < 3)
-    ffi (1.9.25-x64-mingw32)
+      ruby2_keywords (>= 0.0.4)
+    faraday-em_http (1.0.0)
+    faraday-em_synchrony (1.0.0)
+    faraday-excon (1.1.0)
+    faraday-httpclient (1.0.1)
+    faraday-net_http (1.0.1)
+    faraday-net_http_persistent (1.2.0)
+    faraday-patron (1.0.0)
+    ffi (1.15.3)
+    ffi (1.15.3-x64-mingw32)
     forwardable-extended (2.6.0)
-    gemoji (3.0.0)
+    gemoji (3.0.1)
     github-pages (170)
       activesupport (= 4.2.9)
       github-pages-health-check (= 1.3.5)
@@ -70,21 +91,24 @@ GEM
       octokit (~> 4.0)
       public_suffix (~> 2.0)
       typhoeus (~> 0.7)
-    html-pipeline (2.7.1)
+    html-pipeline (2.14.0)
       activesupport (>= 2)
       nokogiri (>= 1.4)
-    i18n (0.9.1)
+    http_parser.rb (0.6.0)
+    i18n (0.9.5)
       concurrent-ruby (~> 1.0)
     jekyll (3.8.6)
       addressable (~> 2.4)
       colorator (~> 1.0)
+      em-websocket (~> 0.5)
+      i18n (~> 0.7)
       jekyll-sass-converter (~> 1.0)
-      jekyll-watch (~> 1.1)
+      jekyll-watch (~> 2.0)
       kramdown (~> 1.14)
       liquid (~> 4.0)
       mercenary (~> 0.3.3)
       pathutil (~> 0.9)
-      rouge (>= 1.7, < 3)
+      rouge (>= 1.7, < 4)
       safe_yaml (~> 1.0)
     jekyll-avatar (0.5.0)
       jekyll (~> 3.0)
@@ -177,7 +201,7 @@ GEM
       rb-fsevent (>= 0.9.3)
       rb-inotify (>= 0.9.7)
     mercenary (0.3.6)
-    mini_portile2 (2.3.0)
+    mini_portile2 (2.5.3)
     minima (2.1.1)
       jekyll (~> 3.3)
     minimal-mistakes-jekyll (4.8.1)
@@ -188,46 +212,51 @@ GEM
       jekyll-paginate (~> 1.1)
       jekyll-sitemap (~> 1.1)
       jemoji (~> 0.8)
-    minitest (5.10.3)
-    multipart-post (2.0.0)
-    net-dns (0.8.0)
-    nokogiri (1.8.1-x64-mingw32)
-      mini_portile2 (~> 2.3.0)
-    octokit (4.8.0)
+    minitest (5.14.4)
+    multipart-post (2.1.1)
+    net-dns (0.9.0)
+    nokogiri (1.11.7)
+      mini_portile2 (~> 2.5.0)
+      racc (~> 1.4)
+    nokogiri (1.11.7-x64-mingw32)
+      racc (~> 1.4)
+    octokit (4.21.0)
+      faraday (>= 0.9)
       sawyer (~> 0.8.0, >= 0.5.3)
-    pathutil (0.16.1)
+    pathutil (0.16.2)
       forwardable-extended (~> 2.6)
     public_suffix (2.0.5)
-    rb-fsevent (0.10.2)
-    rb-inotify (0.9.10)
-      ffi (>= 0.5.0, < 2)
+    racc (1.5.2)
+    rb-fsevent (0.11.0)
+    rb-inotify (0.10.1)
+      ffi (~> 1.0)
     rouge (2.2.1)
-    safe_yaml (1.0.4)
-    sass (3.5.4)
+    ruby2_keywords (0.0.4)
+    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)
-    sawyer (0.8.1)
-      addressable (>= 2.3.5, < 2.6)
-      faraday (~> 0.8, < 1.0)
+    sawyer (0.8.2)
+      addressable (>= 2.3.5)
+      faraday (> 0.8, < 2.0)
     terminal-table (1.8.0)
       unicode-display_width (~> 1.1, >= 1.1.1)
     thread_safe (0.3.6)
     typhoeus (0.8.0)
       ethon (>= 0.8.0)
-    tzinfo (1.2.4)
+    tzinfo (1.2.9)
       thread_safe (~> 0.1)
     unicode-display_width (1.3.0)
-    wdm (0.1.1)
 
 PLATFORMS
+  ruby
   x64-mingw32
 
 DEPENDENCIES
   github-pages (= 170)
   minimal-mistakes-jekyll
-  wdm (>= 0.1.0)
 
 BUNDLED WITH
    1.13.6