diff --git a/Gemfile b/Gemfile
index d743c68..4b37d1c 100644
--- a/Gemfile
+++ b/Gemfile
@@ -7,7 +7,7 @@ gem 'jekyll-paginate', '~> 1.1'
 gem 'jekyll', '~> 3.10'
 gem 'jemoji', '~> 0.13'
 gem 'redcarpet', '~> 3.6'
-gem 'pygments.rb', '~> 1.1'
+gem 'pygments.rb', '~> 2.4'
 
 # 1.14.0 is Ruby 2.7 only
 gem 'nokogiri', '~> 1.13.10', '< 1.14.0'
diff --git a/Gemfile.lock b/Gemfile.lock
index 0f3163f..9d2a2c8 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -66,7 +66,6 @@ GEM
     mercenary (0.3.6)
     mini_portile2 (2.8.5)
     minitest (5.23.1)
-    multi_json (1.13.1)
     nokogiri (1.13.10)
       mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
@@ -75,8 +74,7 @@ GEM
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
     public_suffix (5.1.1)
-    pygments.rb (1.2.1)
-      multi_json (>= 1.0.0)
+    pygments.rb (2.4.1)
     racc (1.7.3)
     rb-fsevent (0.11.2)
     rb-inotify (0.11.1)
@@ -108,7 +106,7 @@ DEPENDENCIES
   jekyll-paginate (~> 1.1)
   jemoji (~> 0.13)
   nokogiri (~> 1.13.10, < 1.14.0)
-  pygments.rb (~> 1.1)
+  pygments.rb (~> 2.4)
   redcarpet (~> 3.6)
 
 BUNDLED WITH