diff --git a/.bundle/config b/.bundle/config
new file mode 100644
index 0000000..2369228
--- /dev/null
+++ b/.bundle/config
@@ -0,0 +1,2 @@
+---
+BUNDLE_PATH: "vendor/bundle"
diff --git a/Gemfile b/Gemfile
index 491d957..4d97da9 100644
--- a/Gemfile
+++ b/Gemfile
@@ -7,7 +7,7 @@ source "https://rubygems.org"
 #
 # This will help ensure the proper Jekyll version is running.
 # Happy Jekylling!
-gem "jekyll", "~> 4.2.0"
+gem "jekyll", "~> 4.2.1"
 # This is the default theme for new Jekyll sites. You may change this to anything you like.
 # If you want to use GitHub Pages, remove the "gem "jekyll"" above and
 # uncomment the line below. To upgrade, run `bundle update github-pages`.
@@ -27,5 +27,5 @@ end
 # Performance-booster for watching directories on Windows
 gem "wdm", "~> 0.1.1", :install_if => Gem.win_platform?
 
-
+# fix for ruby 3: https://github.com/github/pages-gem/issues/752#issuecomment-764647862
 gem "webrick", "~> 1.7"
diff --git a/Gemfile.lock b/Gemfile.lock
index 3231182..8f70e5a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,20 +1,20 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.7.0)
+    addressable (2.8.0)
       public_suffix (>= 2.0.2, < 5.0)
     colorator (1.1.0)
-    concurrent-ruby (1.1.8)
+    concurrent-ruby (1.1.9)
     em-websocket (0.5.2)
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0.6.0)
     eventmachine (1.2.7)
-    ffi (1.15.0)
+    ffi (1.15.4)
     forwardable-extended (2.6.0)
     http_parser.rb (0.6.0)
     i18n (1.8.10)
       concurrent-ruby (~> 1.0)
-    jekyll (4.2.0)
+    jekyll (4.2.1)
       addressable (~> 2.4)
       colorator (~> 1.0)
       em-websocket (~> 0.5)
@@ -38,18 +38,18 @@ GEM
     kramdown-parser-gfm (1.1.0)
       kramdown (~> 2.0)
     liquid (4.0.3)
-    listen (3.5.1)
+    listen (3.7.0)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
     mercenary (0.4.0)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
     public_suffix (4.0.6)
-    rb-fsevent (0.10.4)
+    rb-fsevent (0.11.0)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
     rexml (3.2.5)
-    rouge (3.26.0)
+    rouge (3.26.1)
     safe_yaml (1.0.5)
     sassc (2.4.0)
       ffi (~> 1.9)
@@ -58,9 +58,9 @@ GEM
     thread_safe (0.3.6)
     tzinfo (1.2.9)
       thread_safe (~> 0.1)
-    tzinfo-data (1.2021.1)
+    tzinfo-data (1.2021.3)
       tzinfo (>= 1.0.0)
-    unicode-display_width (1.7.0)
+    unicode-display_width (1.8.0)
     wdm (0.1.1)
     webrick (1.7.0)
 
@@ -68,11 +68,11 @@ PLATFORMS
   x86_64-linux
 
 DEPENDENCIES
-  jekyll (~> 4.2.0)
+  jekyll (~> 4.2.1)
   tzinfo (~> 1.2)
   tzinfo-data
   wdm (~> 0.1.1)
   webrick (~> 1.7)
 
 BUNDLED WITH
-   2.2.16
+   2.2.29