diff --git a/Gemfile b/Gemfile
index df0bd06..e4dea58 100644
--- a/Gemfile
+++ b/Gemfile
@@ -3,7 +3,7 @@ gem 'jekyll'
 gem 'jekyll-paginate'
 gem 'jekyll-sitemap'
 gem 'jekyll-relative-links'
-gem "tzinfo-data", "~> 1.2023"
+gem "tzinfo-data", "~> 1.2024"
 
 # windows specific
 gem 'wdm', '>= 0.1.0'
diff --git a/Gemfile.lock b/Gemfile.lock
index 63f61ba..df6db62 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -4,7 +4,7 @@ GEM
     addressable (2.8.1)
       public_suffix (>= 2.0.2, < 6.0)
     colorator (1.1.0)
-    concurrent-ruby (1.2.2)
+    concurrent-ruby (1.2.3)
     em-websocket (0.5.3)
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0)
@@ -68,7 +68,7 @@ GEM
       unicode-display_width (>= 1.1.1, < 3)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
-    tzinfo-data (1.2023.3)
+    tzinfo-data (1.2024.1)
       tzinfo (>= 1.0.0)
     unicode-display_width (2.4.2)
     wdm (0.1.1)
@@ -84,7 +84,7 @@ DEPENDENCIES
   jekyll-paginate
   jekyll-relative-links
   jekyll-sitemap
-  tzinfo-data (~> 1.2023)
+  tzinfo-data (~> 1.2024)
   wdm (>= 0.1.0)
   webrick