diff --git a/Cargo.toml b/Cargo.toml
index 2721efd4c5..708e12a059 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -91,7 +91,7 @@ pin-project = "1.1.3"
 
 # Light client wasm:
 web-sys = { version = "0.3.61", features = ["BinaryType", "CloseEvent", "MessageEvent", "WebSocket"] }
-wasm-bindgen = "0.2.84"
+wasm-bindgen = "0.2.88"
 send_wrapper = "0.6.0"
 js-sys = "0.3.65"
 wasm-bindgen-futures = "0.4.19"