diff --git a/Gemfile b/Gemfile
index f0ff023df..86a0c492b 100644
--- a/Gemfile
+++ b/Gemfile
@@ -84,7 +84,7 @@ gem "redis", "~> 4.2.2" # Redis ruby client
 gem "redis-rails", "~> 5.0.2" # Redis for Ruby on Rails
 gem "reverse_markdown", "~> 2.0" # Map simple html back into markdown
 gem "rolify", "~> 5.3" # Very simple Roles library
-gem "rouge", "~> 3.22" # A pure-ruby code highlighter
+gem "rouge", "~> 3.23" # A pure-ruby code highlighter
 gem "rubyzip", "~> 2.3" # Rubyzip is a ruby library for reading and writing zip files
 gem "s3_direct_upload", "~> 0.1" # Direct Upload to Amazon S3
 gem "sassc-rails", "~> 2.1.2" # Integrate SassC-Ruby into Rails
diff --git a/Gemfile.lock b/Gemfile.lock
index a9ab3dc23..0fbd4d89d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -632,7 +632,7 @@ GEM
       nokogiri
     rexml (3.2.4)
     rolify (5.3.0)
-    rouge (3.22.0)
+    rouge (3.23.0)
     rspec (3.9.0)
       rspec-core (~> 3.9.0)
       rspec-expectations (~> 3.9.0)
@@ -949,7 +949,7 @@ DEPENDENCIES
   redis-rails (~> 5.0.2)
   reverse_markdown (~> 2.0)
   rolify (~> 5.3)
-  rouge (~> 3.22)
+  rouge (~> 3.23)
   rspec-rails (~> 4.0)
   rspec-retry (~> 0.6)
   rubocop (~> 0.90.0)
diff --git a/vendor/cache/rouge-3.22.0.gem b/vendor/cache/rouge-3.22.0.gem
deleted file mode 100644
index 9fae232ac..000000000
Binary files a/vendor/cache/rouge-3.22.0.gem and /dev/null differ
diff --git a/vendor/cache/rouge-3.23.0.gem b/vendor/cache/rouge-3.23.0.gem
new file mode 100644
index 000000000..e9de6b38f
Binary files /dev/null and b/vendor/cache/rouge-3.23.0.gem differ