diff --git a/Cargo.lock b/Cargo.lock
index 595b0ef..d64b9ac 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1702,9 +1702,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-futures"
-version = "0.4.39"
+version = "0.4.40"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ac36a15a220124ac510204aec1c3e5db8a22ab06fd6706d881dc6149f8ed9a12"
+checksum = "bde2032aeb86bdfaecc8b261eef3cba735cc426c1f3a3416d1e0791be95fc461"
 dependencies = [
  "cfg-if",
  "js-sys",
diff --git a/wgpu-testbed-lib/Cargo.toml b/wgpu-testbed-lib/Cargo.toml
index e26ef8e..2ebee5b 100644
--- a/wgpu-testbed-lib/Cargo.toml
+++ b/wgpu-testbed-lib/Cargo.toml
@@ -23,7 +23,7 @@ wasm-bindgen = "0.2"
 js-sys = "0.3.67"
 web-sys = { version = "0.3.64", features = ["Response"] }
 console_error_panic_hook = "0.1.6"
-wasm-bindgen-futures = "0.4.39"
+wasm-bindgen-futures = "0.4.40"
 # Fixes getrandom, used by tobj, requiring the js feature for wasm32-unkown-unknown targets
 getrandom = { version = "0.2.12", features = ["js"] }