diff --git a/README.md b/README.md
index c485ce5..ee9215c 100644
--- a/README.md
+++ b/README.md
@@ -13,7 +13,7 @@ npm install to-jyutping
 ### Via CDN
 
 ```html
-<script src="https://unpkg.com/to-jyutping@3.1.0" defer></script>
+<script src="https://unpkg.com/to-jyutping@3.1.1" defer></script>
 ```
 
 ### In Other Languages
diff --git a/package.json b/package.json
index 0385b18..c67ca9f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "to-jyutping",
-	"version": "3.1.0",
+	"version": "3.1.1",
 	"description": "粵語拼音自動標註工具 Cantonese Pronunciation Automatic Labeling Tool",
 	"type": "module",
 	"main": "./dist/index.cjs",