diff --git a/Cargo.toml b/Cargo.toml
index bd2b51e..50028b6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -6,7 +6,7 @@ authors = ["Hung-I Wang <whygowe@gmail.com>"]
 license = "GPL-2.0-or-later"
 repository = "https://github.com/Gowee/zhconv-rs"
 description = "Traditional/Simplified and regional Chinese variants converter based on MediaWiki conversion rules and powered by AC automata  轉換中文簡體、繁體及兩岸、新馬地區詞，基於MediaWiki之字詞轉換表"
-categories = ["text-processing", "localization", "value-formatting"]
+categories = ["text-processing", "localization", "value-formatting", "wasm"]
 
 [lib]
 crate-type = ["cdylib", "rlib"]