diff --git a/CHANGELOG.md b/CHANGELOG.md
index d62085e..41dda4d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # CHANGELOG
 
+## v1.3.3
+
+* marge [this pull request](https://github.com/kazumatu981/markdown-it-kroki/pull/16)
+
 ## v1.3.2
 
 * refactor url parser.
diff --git a/package.json b/package.json
index cb23a23..91faa78 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@kazumatu981/markdown-it-kroki",
-  "version": "1.3.2",
+  "version": "1.3.3",
   "description": "markdown-it kroki plugin.",
   "main": "index.js",
   "scripts": {