diff --git a/Gemfile b/Gemfile
index 672e4c7..8b55620 100644
--- a/Gemfile
+++ b/Gemfile
@@ -7,7 +7,7 @@ gem "google-style", "~> 1.31.0"
 gem "hurley"
 gem "irb", "~> 1.17"
 gem "jruby-openssl", platforms: :jruby
-gem "kramdown", "~> 1.5"
+gem "kramdown", "~> 2.3"
 gem "launchy", "~> 2.4"
 gem "rake", "~> 13.0"
 gem "redcarpet", "~> 3.0"