diff --git a/CHANGELOG.md b/CHANGELOG.md
index cd56c82..73ed1d5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+2.0.0 / 2023-12-05
+------------------
+
+- Rewrite to ESM.
+
+
 1.1.3 / 2019-02-01
 ------------------
 
diff --git a/package.json b/package.json
index aca472a..8f428bc 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "markdown-it-cjk-breaks",
-  "version": "1.1.3",
+  "version": "2.0.0",
   "description": "Suppress linebreaks between east asian characters",
   "keywords": [
     "markdown-it-plugin",