diff --git a/Gemfile b/Gemfile
index c9a95fb7a36..b9ce2422153 100644
--- a/Gemfile
+++ b/Gemfile
@@ -129,9 +129,9 @@ gem 'rdoc', '~> 6.0'
 gem 'org-ruby', '~> 0.9.12'
 gem 'creole', '~> 0.5.0'
 gem 'wikicloth', '0.8.1'
-gem 'asciidoctor', '~> 1.5.8'
+gem 'asciidoctor', '~> 2.0.10'
 gem 'asciidoctor-include-ext', '~> 0.3.1', require: false
-gem 'asciidoctor-plantuml', '0.0.8'
+gem 'asciidoctor-plantuml', '0.0.9'
 gem 'rouge', '~> 3.1'
 gem 'truncato', '~> 0.7.11'
 gem 'bootstrap_form', '~> 4.2.0'
diff --git a/Gemfile.lock b/Gemfile.lock
index 4cebf73f17a..b03bd58eacc 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -66,11 +66,11 @@ GEM
       faraday_middleware (~> 0.9)
       faraday_middleware-multi_json (~> 0.0)
       oauth2 (~> 1.0)
-    asciidoctor (1.5.8)
+    asciidoctor (2.0.10)
     asciidoctor-include-ext (0.3.1)
       asciidoctor (>= 1.5.6, < 3.0.0)
-    asciidoctor-plantuml (0.0.8)
-      asciidoctor (~> 1.5)
+    asciidoctor-plantuml (0.0.9)
+      asciidoctor (>= 1.5.6, < 3.0.0)
     ast (2.4.0)
     atomic (1.1.99)
     attr_encrypted (3.1.0)
@@ -1025,9 +1025,9 @@ DEPENDENCIES
   akismet (~> 2.0)
   apollo_upload_server (~> 2.0.0.beta3)
   asana (~> 0.8.1)
-  asciidoctor (~> 1.5.8)
+  asciidoctor (~> 2.0.10)
   asciidoctor-include-ext (~> 0.3.1)
-  asciidoctor-plantuml (= 0.0.8)
+  asciidoctor-plantuml (= 0.0.9)
   attr_encrypted (~> 3.1.0)
   awesome_print
   babosa (~> 1.0.2)
diff --git a/changelogs/unreleased/asciidoctor-upgrade.yml b/changelogs/unreleased/asciidoctor-upgrade.yml
new file mode 100644
index 00000000000..50a7cb21e7d
--- /dev/null
+++ b/changelogs/unreleased/asciidoctor-upgrade.yml
@@ -0,0 +1,5 @@
+---
+title: Upgrade asciidoctor version to 2.0.10
+merge_request: 29741
+author: Rajendra Kadam
+type: added
diff --git a/lib/gitlab/asciidoc/html5_converter.rb b/lib/gitlab/asciidoc/html5_converter.rb
index 2c5c74e4789..e5163e1954c 100644
--- a/lib/gitlab/asciidoc/html5_converter.rb
+++ b/lib/gitlab/asciidoc/html5_converter.rb
@@ -1,22 +1,19 @@
 # frozen_string_literal: true
 
 require 'asciidoctor'
-require 'asciidoctor/converter/html5'
 
 module Gitlab
   module Asciidoc
-    class Html5Converter < Asciidoctor::Converter::Html5Converter
-      extend Asciidoctor::Converter::Config
-
+    class Html5Converter < (Asciidoctor::Converter.for 'html5')
       register_for 'gitlab_html5'
 
-      def stem(node)
+      def convert_stem(node)
         return super unless node.style.to_sym == :latexmath
 
         %(<pre#{id_attribute(node)} data-math-style="display"><code>#{node.content}</code></pre>)
       end
 
-      def inline_quoted(node)
+      def convert_inline_quoted(node)
         return super unless node.type.to_sym == :latexmath
 
         %(<code#{id_attribute(node)} data-math-style="inline">#{node.text}</code>)