diff --git a/Gemfile b/Gemfile
index ce4367bd9..78a23e249 100644
--- a/Gemfile
+++ b/Gemfile
@@ -80,7 +80,7 @@ gem "redis", "~> 4.1.3" # Redis ruby client
 gem "redis-rails", "~> 5.0.2" # Redis for Ruby on Rails
 gem "reverse_markdown", "~> 1.3" # Map simple html back into markdown
 gem "rolify", "~> 5.2" # Very simple Roles library
-gem "rouge", "~> 3.12" # A pure-ruby code highlighter
+gem "rouge", "~> 3.13" # A pure-ruby code highlighter
 gem "rubyzip", "~> 1.2", ">= 1.3.0" # Rubyzip is a ruby library for reading and writing zip files
 gem "s3_direct_upload", "~> 0.1" # Direct Upload to Amazon S3
 gem "sass-rails", "~> 6.0" # Sass adapter for the Rails asset pipeline
diff --git a/Gemfile.lock b/Gemfile.lock
index 6e4210d59..230b25310 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -648,7 +648,7 @@ GEM
     reverse_markdown (1.3.0)
       nokogiri
     rolify (5.2.0)
-    rouge (3.12.0)
+    rouge (3.13.0)
     rspec (3.9.0)
       rspec-core (~> 3.9.0)
       rspec-expectations (~> 3.9.0)
@@ -961,7 +961,7 @@ DEPENDENCIES
   redis-rails (~> 5.0.2)
   reverse_markdown (~> 1.3)
   rolify (~> 5.2)
-  rouge (~> 3.12)
+  rouge (~> 3.13)
   rspec-rails (~> 3.9)
   rspec-retry (~> 0.6)
   rubocop (~> 0.76)