diff --git a/Gemfile b/Gemfile
index b1750afec91..d95e57cf168 100644
--- a/Gemfile
+++ b/Gemfile
@@ -132,7 +132,7 @@ gem 'wikicloth', '0.8.1'
 gem 'asciidoctor', '~> 2.0.10'
 gem 'asciidoctor-include-ext', '~> 0.3.1', require: false
 gem 'asciidoctor-plantuml', '0.0.9'
-gem 'rouge', '~> 3.1'
+gem 'rouge', '~> 3.5'
 gem 'truncato', '~> 0.7.11'
 gem 'bootstrap_form', '~> 4.2.0'
 gem 'nokogiri', '~> 1.10.3'
diff --git a/Gemfile.lock b/Gemfile.lock
index 5099167e03f..363baa5f9d5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -770,7 +770,7 @@ GEM
     retriable (3.1.2)
     rinku (2.0.0)
     rotp (2.1.2)
-    rouge (3.4.1)
+    rouge (3.5.1)
     rqrcode (0.7.0)
       chunky_png
     rqrcode-rails3 (0.1.7)
@@ -1199,7 +1199,7 @@ DEPENDENCIES
   redis-rails (~> 5.0.2)
   request_store (~> 1.3)
   responders (~> 2.0)
-  rouge (~> 3.1)
+  rouge (~> 3.5)
   rqrcode-rails3 (~> 0.1.7)
   rspec-parameterized
   rspec-rails (~> 3.7.0)
diff --git a/changelogs/unreleased/sh-upgrade-rouge-3-5-1.yml b/changelogs/unreleased/sh-upgrade-rouge-3-5-1.yml
new file mode 100644
index 00000000000..b408019c736
--- /dev/null
+++ b/changelogs/unreleased/sh-upgrade-rouge-3-5-1.yml
@@ -0,0 +1,5 @@
+---
+title: Upgrade Rouge to 3.5.1
+merge_request: 30431
+author:
+type: changed