diff --git a/Gemfile b/Gemfile
index 1d88df829671adfaa6c2c90bafe367de70007558..9f152aa5218ebfaaf31200688381952cb28df7ab 100644
--- a/Gemfile
+++ b/Gemfile
@@ -166,7 +166,7 @@ gem 'asciidoctor', '~> 2.0.10'
 gem 'asciidoctor-include-ext', '~> 0.3.1', require: false
 gem 'asciidoctor-plantuml', '~> 0.0.12'
 gem 'asciidoctor-kroki', '~> 0.5.0', require: false
-gem 'rouge', '~> 3.26.1'
+gem 'rouge', '~> 3.27.0'
 gem 'truncato', '~> 0.7.11'
 gem 'bootstrap_form', '~> 4.2.0'
 gem 'nokogiri', '~> 1.11.4'
diff --git a/Gemfile.lock b/Gemfile.lock
index 2f30df91862903e43953f7f57f59a5478bae3ea3..d15a27d60e3cece060b4468f1e4f68fa6c8636f1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1056,7 +1056,7 @@ GEM
     rexml (3.2.5)
     rinku (2.0.0)
     rotp (6.2.0)
-    rouge (3.26.1)
+    rouge (3.27.0)
     rqrcode (0.7.0)
       chunky_png
     rqrcode-rails3 (0.1.7)
@@ -1605,7 +1605,7 @@ DEPENDENCIES
   responders (~> 3.0)
   retriable (~> 3.1.2)
   rexml (~> 3.2.5)
-  rouge (~> 3.26.1)
+  rouge (~> 3.27.0)
   rqrcode-rails3 (~> 0.1.7)
   rspec-parameterized
   rspec-rails (~> 5.0.1)