diff --git a/Gemfile.lock b/Gemfile.lock
index f2291a3..42a12c1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -6,11 +6,11 @@ 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)
-    algolia_html_extractor (2.6.1)
+    addressable (2.8.0)
+      public_suffix (>= 2.0.2, < 5.0)
+    algolia_html_extractor (2.6.4)
       json (~> 2.0)
-      nokogiri (~> 1.8.5)
+      nokogiri (~> 1.10)
     algoliasearch (1.23.2)
       httpclient (~> 2.8, >= 2.8.3)
       json (>= 1.5.1)
@@ -21,19 +21,21 @@ GEM
     colorator (1.1.0)
     commonmarker (0.17.13)
       ruby-enum (~> 0.5)
-    concurrent-ruby (1.0.5)
-    dnsruby (1.61.2)
-      addressable (~> 2.5)
+    concurrent-ruby (1.1.10)
+    dnsruby (1.61.9)
+      simpleidn (~> 0.1)
     em-websocket (0.5.1)
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0.6.0)
-    ethon (0.11.0)
-      ffi (>= 1.9.24)
+    ethon (0.15.0)
+      ffi (>= 1.15.0)
     eventmachine (1.2.7)
     execjs (2.7.0)
-    faraday (0.15.2)
-      multipart-post (>= 1.2, < 3)
-    ffi (1.9.21)
+    faraday (2.3.0)
+      faraday-net_http (~> 2.0)
+      ruby2_keywords (>= 0.0.4)
+    faraday-net_http (2.0.3)
+    ffi (1.15.5)
     filesize (0.2.0)
     forwardable-extended (2.6.0)
     gemoji (3.0.0)
@@ -88,7 +90,7 @@ GEM
       octokit (~> 4.0)
       public_suffix (~> 2.0)
       typhoeus (~> 1.3)
-    html-pipeline (2.8.4)
+    html-pipeline (2.14.2)
       activesupport (>= 2)
       nokogiri (>= 1.4)
     http_parser.rb (0.6.0)
@@ -208,7 +210,7 @@ GEM
       gemoji (~> 3.0)
       html-pipeline (~> 2.2)
       jekyll (~> 3.0)
-    json (2.1.0)
+    json (2.6.2)
     kramdown (1.17.0)
     liquid (4.0.0)
     listen (3.1.5)
@@ -216,27 +218,30 @@ GEM
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
     mercenary (0.3.6)
-    mini_portile2 (2.3.0)
+    mini_portile2 (2.8.0)
     minima (2.5.0)
       jekyll (~> 3.5)
       jekyll-feed (~> 0.9)
       jekyll-seo-tag (~> 2.1)
-    minitest (5.11.3)
-    multipart-post (2.0.0)
-    nokogiri (1.8.4)
-      mini_portile2 (~> 2.3.0)
-    octokit (4.12.0)
-      sawyer (~> 0.8.0, >= 0.5.3)
+    minitest (5.16.2)
+    nokogiri (1.13.7)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
+    octokit (4.25.1)
+      faraday (>= 1, < 3)
+      sawyer (~> 0.9)
     pathutil (0.16.1)
       forwardable-extended (~> 2.6)
     progressbar (1.10.0)
     public_suffix (2.0.5)
-    rb-fsevent (0.10.3)
-    rb-inotify (0.9.10)
-      ffi (>= 0.5.0, < 2)
+    racc (1.6.0)
+    rb-fsevent (0.11.1)
+    rb-inotify (0.10.1)
+      ffi (~> 1.0)
     rouge (2.2.1)
     ruby-enum (0.7.2)
       i18n
+    ruby2_keywords (0.0.5)
     ruby_dep (1.5.0)
     rubyzip (1.2.2)
     safe_yaml (1.0.4)
@@ -245,18 +250,23 @@ GEM
     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 (0.9.2)
+      addressable (>= 2.3.5)
+      faraday (>= 0.17.3, < 3)
+    simpleidn (0.2.1)
+      unf (~> 0.1.4)
     terminal-table (1.8.0)
       unicode-display_width (~> 1.1, >= 1.1.1)
     thread_safe (0.3.6)
-    typhoeus (1.3.0)
+    typhoeus (1.4.0)
       ethon (>= 0.9.0)
-    tzinfo (1.2.5)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     tzinfo-data (1.2018.5)
       tzinfo (>= 1.0.0)
+    unf (0.1.4)
+      unf_ext
+    unf_ext (0.0.8.2)
     unicode-display_width (1.4.0)
     verbal_expressions (0.1.5)