diff --git a/Gemfile b/Gemfile
index b1389a1..341a0ea 100644
--- a/Gemfile
+++ b/Gemfile
@@ -7,7 +7,7 @@ gem 'jekyll', '~>3.9.0'
 gem 'json', '~> 2.3'
 gem 'neat', '~> 1.7.1'
 gem 'nokogiri', '~> 1.13.6'
-gem 'rouge', '~> 2.2.1'
+gem 'rouge', '~> 3.30.0'
 gem 'therubyracer', '~>0.12.3'
 gem "jekyll-github-metadata", "~> 2.14"
 gem "kramdown", "~> 2.3.1"
diff --git a/Gemfile.lock b/Gemfile.lock
index 1638f82..b8b7d8d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -104,7 +104,7 @@ GEM
       ffi (~> 1.0)
     ref (2.0.0)
     rexml (3.2.5)
-    rouge (2.2.1)
+    rouge (3.30.0)
     ruby2_keywords (0.0.5)
     safe_yaml (1.0.5)
     sass (3.7.4)
@@ -136,7 +136,7 @@ DEPENDENCIES
   neat (~> 1.7.1)
   nokogiri (~> 1.13.6)
   pry
-  rouge (~> 2.2.1)
+  rouge (~> 3.30.0)
   terminal-notifier (~> 2.0.0)
   therubyracer (~> 0.12.3)