diff --git a/Gemfile.lock b/Gemfile.lock
index c40f9499..1c0f8877 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,15 +1,16 @@
 GEM
   remote: http://rubygems.org/
   specs:
-    activesupport (5.2.2.1)
+    activesupport (6.1.7.3)
       concurrent-ruby (~> 1.0, >= 1.0.2)
-      i18n (>= 0.7, < 2)
-      minitest (~> 5.1)
-      tzinfo (~> 1.1)
+      i18n (>= 1.6, < 2)
+      minitest (>= 5.1)
+      tzinfo (~> 2.0)
+      zeitwerk (~> 2.3)
     addressable (2.7.0)
       public_suffix (>= 2.0.2, < 5.0)
     colorator (1.1.0)
-    concurrent-ruby (1.1.5)
+    concurrent-ruby (1.2.2)
     em-websocket (0.5.1)
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0.6.0)
@@ -19,16 +20,16 @@ GEM
     ffi (1.12.1-x86-mingw32)
     forwardable-extended (2.6.0)
     http_parser.rb (0.6.0)
-    i18n (0.9.5)
+    i18n (1.12.0)
       concurrent-ruby (~> 1.0)
-    jekyll (3.8.6)
+    jekyll (3.9.3)
       addressable (~> 2.4)
       colorator (~> 1.0)
       em-websocket (~> 0.5)
-      i18n (~> 0.7)
+      i18n (>= 0.7, < 2)
       jekyll-sass-converter (~> 1.0)
       jekyll-watch (~> 2.0)
-      kramdown (~> 1.14)
+      kramdown (>= 1.17, < 3)
       liquid (~> 4.0)
       mercenary (~> 0.3.3)
       pathutil (~> 0.9)
@@ -52,11 +53,9 @@ GEM
       rb-inotify (~> 0.9, >= 0.9.10)
     mercenary (0.3.6)
     mini_portile2 (2.4.0)
-    minitest (5.11.3)
+    minitest (5.18.0)
     nokogiri (1.10.4)
       mini_portile2 (~> 2.4.0)
-    nokogiri (1.10.4-x86-mingw32)
-      mini_portile2 (~> 2.4.0)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
     pragmatic_segmenter (0.3.18)
@@ -74,14 +73,14 @@ GEM
     scss-lint (0.38.0)
       rainbow (~> 2.0)
       sass (~> 3.4.1)
-    thread_safe (0.3.6)
-    tzinfo (1.2.5)
-      thread_safe (~> 0.1)
+    tzinfo (2.0.6)
+      concurrent-ruby (~> 1.0)
     unicode (0.4.4.4)
     unicode (0.4.4.4-x86-mingw32)
     video_thumb (0.1.5)
       json (~> 2.1)
       nokogiri (~> 1.8)
+    zeitwerk (2.6.7)
 
 PLATFORMS
   ruby