diff --git a/Gemfile b/Gemfile
index 21e1629efaf6af5052cd7d7bef8106728ed3eab3..2f6c118152d50c582e64ba2ecc47791f57a56f1b 100644
--- a/Gemfile
+++ b/Gemfile
@@ -4,7 +4,7 @@ source 'https://rubygems.org'
 # List of required gems
 gem 'jekyll', '~> 4.1.1'
 gem 'jekyll-paginate', '~> 1.1.0'
-gem 'rouge', '~> 3.20.0'
+gem 'rouge', '~> 3.23.0'
 gem 'jekyll-redirect-from', '~> 0.16.0'
 gem 'jekyll-feed', '~> 0.13.0'
 gem "jekyll-sitemap", "~> 1.4"
diff --git a/Gemfile.lock b/Gemfile.lock
index b6e52640a19670d1997481a139b7a170fa97c3cc..a14ace189e0bf5a1ab4ff88338b09c37b6ab7004 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -73,7 +73,7 @@ GEM
     rb-inotify (0.10.1)
       ffi (~> 1.0)
     rexml (3.2.4)
-    rouge (3.20.0)
+    rouge (3.23.0)
     safe_yaml (1.0.5)
     sassc (2.4.0)
       ffi (~> 1.9)
@@ -95,7 +95,7 @@ DEPENDENCIES
   jekyll-paginate (~> 1.1.0)
   jekyll-redirect-from (~> 0.16.0)
   jekyll-sitemap (~> 1.4)
-  rouge (~> 3.20.0)
+  rouge (~> 3.23.0)
   yaml-lint (~> 0.0.7)
 
 BUNDLED WITH