diff --git a/README.md b/README.md
index 7957d12..b7a579b 100644
--- a/README.md
+++ b/README.md
@@ -337,6 +337,7 @@ Kroki currently supports the following diagram libraries:
 * [RackDiag](https://github.com/blockdiag/nwdiag): `rackdiag`
 * [SeqDiag](https://github.com/blockdiag/seqdiag): `seqdiag`
 * [SVGBob](https://github.com/ivanceras/svgbob): `svgbob`
+* [Symbolator](https://github.com/zebreus/symbolator): `symbolator`
 * [UMLet](https://github.com/umlet/umlet): `umlet`
 * [Vega](https://github.com/vega/vega): `vega`
 * [Vega-Lite](https://github.com/vega/vega-lite): `vegalite`
diff --git a/dist/browser/asciidoctor-kroki.js b/dist/browser/asciidoctor-kroki.js
index a3b91d3..d12fab0 100644
--- a/dist/browser/asciidoctor-kroki.js
+++ b/dist/browser/asciidoctor-kroki.js
@@ -18739,6 +18739,7 @@ module.exports.register = function register (registry, context = {}) {
     'rackdiag',
     'seqdiag',
     'svgbob',
+    'symbolator',
     'umlet',
     'vega',
     'vegalite',
diff --git a/ruby/lib/asciidoctor/extensions/asciidoctor_kroki/extension.rb b/ruby/lib/asciidoctor/extensions/asciidoctor_kroki/extension.rb
index 757ae9f..eb6d9cb 100644
--- a/ruby/lib/asciidoctor/extensions/asciidoctor_kroki/extension.rb
+++ b/ruby/lib/asciidoctor/extensions/asciidoctor_kroki/extension.rb
@@ -126,6 +126,7 @@ module Kroki
       rackdiag
       seqdiag
       svgbob
+      symbolator
       umlet
       vega
       vegalite
diff --git a/src/asciidoctor-kroki.js b/src/asciidoctor-kroki.js
index 888ea67..27d4f82 100644
--- a/src/asciidoctor-kroki.js
+++ b/src/asciidoctor-kroki.js
@@ -257,6 +257,7 @@ module.exports.register = function register (registry, context = {}) {
     'rackdiag',
     'seqdiag',
     'svgbob',
+    'symbolator',
     'umlet',
     'vega',
     'vegalite',