diff --git a/Gemfile b/Gemfile
index c10102f..400aaa2 100644
--- a/Gemfile
+++ b/Gemfile
@@ -12,7 +12,7 @@ gem 'rails', '5.2.4.6'
 # Provide Haml generators for rails
 gem 'haml-rails', '~> 1.0'
 # Render Markdown as HTML
-gem 'kramdown', '2.1.0'
+gem 'kramdown', '2.3.1'
 # Use Puma as the app server
 gem 'puma', '~> 4.3'
 # Use Uglifier as compressor for JavaScript assets
diff --git a/Gemfile.lock b/Gemfile.lock
index 8112385..ceae488 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -107,7 +107,8 @@ GEM
       ruby_parser (~> 3.5)
     i18n (1.12.0)
       concurrent-ruby (~> 1.0)
-    kramdown (2.1.0)
+    kramdown (2.3.1)
+      rexml
     listen (3.1.5)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
@@ -250,7 +251,7 @@ DEPENDENCIES
   capybara (~> 2.13)
   ed25519 (>= 1.2, < 2.0)
   haml-rails (~> 1.0)
-  kramdown (= 2.1.0)
+  kramdown (= 2.3.1)
   listen (>= 3.0.5, < 3.2)
   meta-tags (= 2.18.0)
   mimemagic!