diff --git a/lazylead.gemspec b/lazylead.gemspec
index 6fa8229..c1cf1f3 100644
--- a/lazylead.gemspec
+++ b/lazylead.gemspec
@@ -87,7 +87,7 @@ tasks instead of solving technical problems."
   s.add_development_dependency "minitest-reporters", "1.6.1"
   s.add_development_dependency "net-ping", "2.0.8"
   s.add_development_dependency "rake", "13.0.6"
-  s.add_development_dependency "rdoc", "6.5.0"
+  s.add_development_dependency "rdoc", "6.6.0"
   s.add_development_dependency "rubocop", "1.50.2"
   s.add_development_dependency "rubocop-minitest", "0.30.0"
   s.add_development_dependency "rubocop-performance", "1.17.1"