diff --git a/package-lock.json b/package-lock.json
index 3bdfd07f..bf5910ec 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "asciidoctor-kroki",
-  "version": "0.12.0",
+  "version": "0.13.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 9e3c1d29..98e1a7c4 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "asciidoctor-kroki",
-  "version": "0.12.0",
+  "version": "0.13.0",
   "description": "Asciidoctor extension to convert diagrams to images using Kroki",
   "main": "src/asciidoctor-kroki.js",
   "files": [