diff --git a/Gemfile b/Gemfile
index e2715a6d6e..53baf40d6d 100644
--- a/Gemfile
+++ b/Gemfile
@@ -52,7 +52,7 @@ gem 'html-pipeline'
 gem 'htmlentities'
 gem 'sanitize', '>= 4.6.3'
 gem 'rinku'
-gem 'rouge', '~> 3'
+gem 'rouge', '~> 5'
 gem 'ruby-oembed'
 
 # to help obtaining app wide URI that uniquely identifies model instance
diff --git a/Gemfile.lock b/Gemfile.lock
index ff81507a5e..333ec0c536 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -517,7 +517,8 @@ GEM
     rexml (3.4.4)
     rinku (2.0.6)
     rollbar (3.7.0)
-    rouge (3.30.0)
+    rouge (5.1.0)
+      strscan (~> 3.1)
     rspec (3.13.0)
       rspec-core (~> 3.13.0)
       rspec-expectations (~> 3.13.0)
@@ -606,6 +607,7 @@ GEM
     spring (4.7.0)
     ssrf_filter (1.5.0)
     stackprof (0.2.28)
+    strscan (3.1.8)
     temple (0.10.4)
     terminal-table (4.0.0)
       unicode-display_width (>= 1.1.1, < 4)
@@ -717,7 +719,7 @@ DEPENDENCIES
   rexml
   rinku
   rollbar (>= 1.5.3)
-  rouge (~> 3)
+  rouge (~> 5)
   rspec-html-matchers
   rspec-rails (~> 8)
   rspec-retry