diff --git a/Gemfile b/Gemfile
index ecd3bd150..4b7350e40 100644
--- a/Gemfile
+++ b/Gemfile
@@ -3,7 +3,7 @@ source 'https://rubygems.org'
 gem "bundler", ">= 1.5.0"
 
 gem "rails", "5.2.3"
-gem "rouge", "~> 3.4.1"
+gem "rouge", "~> 3.5.1"
 gem "request_store", "1.0.5"
 gem "mini_mime", "~> 1.0.1"
 gem "actionpack-xml_parser"