diff --git a/Cargo.toml b/Cargo.toml
index 8f782d8..b82cecf 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -27,3 +27,4 @@ serde = { version = "1.0", optional = true }
 
 [dev-dependencies]
 serde_json = "1.0"
+wasm-bindgen-test = "0.3.1"