diff --git a/website/models/_data.json b/website/models/_data.json
index 5f59d5b78..5fd873997 100644
--- a/website/models/_data.json
+++ b/website/models/_data.json
@@ -119,6 +119,7 @@
         "th": "Thai",
         "zh": "Chinese",
         "ja": "Japanese",
+        "vi": "Vietnamese",
         "xx": "Multi-language"
     },
 
diff --git a/website/usage/_models/_languages.jade b/website/usage/_models/_languages.jade
index 4337b5b99..7ab985b97 100644
--- a/website/usage/_models/_languages.jade
+++ b/website/usage/_models/_languages.jade
@@ -46,6 +46,7 @@ p
         +item #[strong Chinese]: #[+a("https://github.com/fxsjy/jieba") Jieba]
         +item #[strong Japanese]: #[+a("https://github.com/mocobeta/janome") Janome]
         +item #[strong Thai]: #[+a("https://github.com/wannaphongcom/pythainlp") pythainlp]
+        +item #[strong Vietnamese]: #[+a("https://github.com/trungtv/pyvi") Pyvi]
         +item #[strong Russian]: #[+a("https://github.com/kmike/pymorphy2") pymorphy2]
 
 +h(3, "multi-language") Multi-language support