diff --git a/Gemfile.lock b/Gemfile.lock
index f3608a9..d56ba44 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,17 +1,17 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.7.0)
-      public_suffix (>= 2.0.2, < 5.0)
-    algolia_html_extractor (2.6.2)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
+    algolia_html_extractor (2.6.4)
       json (~> 2.0)
-      nokogiri (~> 1.10.4)
+      nokogiri (~> 1.10)
     algoliasearch (1.27.1)
       httpclient (~> 2.8, >= 2.8.3)
       json (>= 1.5.1)
     backports (3.16.1)
     colorator (1.1.0)
-    concurrent-ruby (1.1.5)
+    concurrent-ruby (1.1.10)
     devlopr (0.4.5)
       jekyll (>= 3.5, < 5.0)
       jekyll-feed (~> 0.13.0)
@@ -26,15 +26,15 @@ GEM
     eventmachine (1.2.7-x64-mingw32)
     faraday (1.0.0)
       multipart-post (>= 1.2, < 3)
-    ffi (1.12.2)
-    ffi (1.12.2-x64-mingw32)
+    ffi (1.15.5)
+    ffi (1.15.5-x64-mingw32)
     filesize (0.2.0)
     forwardable-extended (2.6.0)
     http_parser.rb (0.6.0)
     httpclient (2.8.3)
-    i18n (1.8.2)
+    i18n (1.12.0)
       concurrent-ruby (~> 1.0)
-    jekyll (4.0.0)
+    jekyll (4.0.1)
       addressable (~> 2.4)
       colorator (~> 1.0)
       em-websocket (~> 0.5)
@@ -53,7 +53,7 @@ GEM
       jekyll (>= 3.3, < 5.0)
       sinatra (~> 1.4)
       sinatra-contrib (~> 1.4)
-    jekyll-algolia (1.6.0)
+    jekyll-algolia (1.7.1)
       algolia_html_extractor (~> 2.6)
       algoliasearch (~> 1.26)
       filesize (~> 0.1)
@@ -69,7 +69,7 @@ GEM
     jekyll-menus (0.6.1)
       jekyll (>= 3.6, < 5.0)
     jekyll-paginate (1.1.0)
-    jekyll-sass-converter (2.1.0)
+    jekyll-sass-converter (2.2.0)
       sassc (> 2.0.1, < 3.0)
     jekyll-seo-tag (2.6.1)
       jekyll (>= 3.3, < 5.0)
@@ -80,23 +80,23 @@ GEM
     jgd (1.12)
       jekyll (>= 1.5.1)
       trollop (= 2.9.9)
-    json (2.3.0)
-    kramdown (2.1.0)
+    json (2.6.2)
+    kramdown (2.4.0)
+      rexml
     kramdown-parser-gfm (1.1.0)
       kramdown (~> 2.0)
     liquid (4.0.3)
-    listen (3.2.1)
+    listen (3.7.1)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
     mercenary (0.3.6)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.8.0)
     multi_json (1.14.1)
     multipart-post (2.1.1)
     nio4r (2.5.2)
-    nokogiri (1.10.8)
-      mini_portile2 (~> 2.4.0)
-    nokogiri (1.10.8-x64-mingw32)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.13.9)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     octokit (4.16.0)
       faraday (>= 0.9)
       sawyer (~> 0.8.0, >= 0.5.3)
@@ -106,6 +106,7 @@ GEM
     public_suffix (4.0.3)
     puma (4.3.3)
       nio4r (~> 2.0)
+    racc (1.6.0)
     rack (1.6.12)
     rack-jekyll (0.5.0)
       jekyll (>= 1.3)
@@ -113,17 +114,18 @@ GEM
       rack (~> 1.5)
     rack-protection (1.5.5)
       rack
-    rack-test (1.1.0)
-      rack (>= 1.0, < 3)
-    rake (13.0.1)
+    rack-test (2.0.2)
+      rack (>= 1.3)
+    rake (13.0.6)
     rb-fsevent (0.10.3)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
+    rexml (3.2.5)
     rouge (3.15.0)
     safe_yaml (1.0.5)
-    sassc (2.2.1)
+    sassc (2.4.0)
       ffi (~> 1.9)
-    sassc (2.2.1-x64-mingw32)
+    sassc (2.4.0-x64-mingw32)
       ffi (~> 1.9)
     sawyer (0.8.2)
       addressable (>= 2.3.5)
@@ -144,7 +146,7 @@ GEM
     thread_safe (0.3.6)
     tilt (2.0.10)
     trollop (2.9.9)
-    tzinfo (1.2.6)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     tzinfo-data (1.2019.3)
       tzinfo (>= 1.0.0)