diff --git a/Cargo.toml b/Cargo.toml
index 4f8da57..defc983 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -41,7 +41,7 @@ serde_indextree = { version = "0.2", optional = true }
 syntect = { version = "4.6", optional = true }
 indexmap = { version = "1.7", features = ["serde-1"], optional = true }
 # wasm stuff
-serde-wasm-bindgen = { version = "0.3", optional = true }
+serde-wasm-bindgen = { version = "0.4", optional = true }
 wasm-bindgen = { version = "0.2", optional = true }
 wee_alloc = { version = "0.4", optional = true }