diff --git a/Gemfile b/Gemfile
index 478d3dfe..4f71a620 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,7 +1,7 @@
 source 'https://rubygems.org'
 
 gem 'rake', '13.2.1'
-gem 'asciidoctor', '2.0.22'
+gem 'asciidoctor', '2.0.26'
 
 gem 'json', '2.9.1'
 gem 'bigdecimal'