diff --git a/Cargo.toml b/Cargo.toml
index 35c1fb8..1da5a7a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -57,7 +57,7 @@ winapi = { version = "0.3", features = ["profileapi"] }
 web-sys = { version = "0.3", features = ["Window", "Performance"] }
 
 [target.'cfg(all(target_arch = "wasm32", target_os = "wasi"))'.dependencies]
-wasi = "0.11"
+wasi = "0.13"
 
 [dev-dependencies]
 average = "0.14"