diff --git a/docs/Gemfile b/docs/Gemfile
index 4f4991e3b2a6..f4ab48832ca9 100644
--- a/docs/Gemfile
+++ b/docs/Gemfile
@@ -16,4 +16,4 @@ gem 'json'
 gem 'rb-fsevent'
 
 # For markdown header cleanup
-gem 'sanitize', '~>2.0'
+gem 'sanitize', '~> 7.0', '>= 7.0.0'