diff --git a/Gemfile.lock b/Gemfile.lock
index 171d378..1f0d0ac 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -10,7 +10,7 @@ GIT
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.8.1)
+    addressable (2.8.6)
       public_suffix (>= 2.0.2, < 6.0)
     algolia_html_extractor (2.6.4)
       json (~> 2.0)
@@ -19,19 +19,19 @@ GEM
       httpclient (~> 2.8, >= 2.8.3)
       json (>= 1.5.1)
     colorator (1.1.0)
-    concurrent-ruby (1.1.10)
+    concurrent-ruby (1.2.2)
     em-websocket (0.5.3)
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0)
     eventmachine (1.2.7)
-    ffi (1.15.5)
+    ffi (1.16.3)
     filesize (0.2.0)
     forwardable-extended (2.6.0)
     http_parser.rb (0.8.0)
     httpclient (2.8.3)
-    i18n (1.12.0)
+    i18n (1.14.1)
       concurrent-ruby (~> 1.0)
-    jekyll (4.3.2)
+    jekyll (4.3.3)
       addressable (~> 2.4)
       colorator (~> 1.0)
       em-websocket (~> 0.5)
@@ -93,20 +93,20 @@ GEM
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
     progressbar (1.11.0)
-    public_suffix (5.0.1)
+    public_suffix (5.0.4)
     racc (1.6.2)
     rb-fsevent (0.11.2)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    rexml (3.2.5)
-    rouge (4.0.1)
+    rexml (3.2.6)
+    rouge (4.2.0)
     rubyzip (2.3.2)
     safe_yaml (1.0.5)
     sassc (2.4.0)
       ffi (~> 1.9)
     terminal-table (3.0.2)
       unicode-display_width (>= 1.1.1, < 3)
-    unicode-display_width (2.4.2)
+    unicode-display_width (2.5.0)
     verbal_expressions (0.1.5)
     webrick (1.8.1)