diff --git a/docs/Gemfile b/docs/Gemfile
index 797c6016..92ad4d04 100644
--- a/docs/Gemfile
+++ b/docs/Gemfile
@@ -80,6 +80,6 @@ gem "pry", "0.16.0"
 gem "tailwind_merge", "~> 1.5.2"
 gem "rss", "0.3.3"
 
-gem "rouge", "~> 5.0"
+gem "rouge", "~> 5.1"
 
 gem "ruby_ui-mcp", path: "../mcp"
diff --git a/docs/Gemfile.lock b/docs/Gemfile.lock
index 2e5d4cd1..10665974 100644
--- a/docs/Gemfile.lock
+++ b/docs/Gemfile.lock
@@ -270,7 +270,7 @@ GEM
     reverse_markdown (3.0.2)
       nokogiri
     rexml (3.4.4)
-    rouge (5.0.0)
+    rouge (5.1.0)
       strscan (~> 3.1)
     rss (0.3.3)
       rexml
@@ -366,7 +366,7 @@ DEPENDENCIES
   pry (= 0.16.0)
   puma (= 8.0.2)
   rails (= 8.1.3.1)
-  rouge (~> 5.0)
+  rouge (~> 5.1)
   rss (= 0.3.3)
   ruby_ui!
   ruby_ui-mcp!
diff --git a/gem/ruby_ui.gemspec b/gem/ruby_ui.gemspec
index 9a868f2d..6df8c795 100644
--- a/gem/ruby_ui.gemspec
+++ b/gem/ruby_ui.gemspec
@@ -16,7 +16,7 @@ Gem::Specification.new do |s|
   s.required_ruby_version = ">= 3.2"
 
   s.add_development_dependency "phlex", "~> 2.1", ">= 2.1.2"
-  s.add_development_dependency "rouge", "~> 5.0.0"
+  s.add_development_dependency "rouge", "~> 5.1.0"
   s.add_development_dependency "tailwind_merge", "~> 1.4"
   s.add_development_dependency "rake", "~> 13.0"
   s.add_development_dependency "standard", "~> 1.0"