diff --git a/example/Cargo.lock b/example/Cargo.lock
index 6ae888d..e4cd467 100644
--- a/example/Cargo.lock
+++ b/example/Cargo.lock
@@ -79,10 +79,12 @@ checksum = "92ecc6618181def0457392ccd0ee51198e065e016d1d527a7ac1b6dc7c1f09d2"
 
 [[package]]
 name = "js-sys"
-version = "0.3.85"
+version = "0.3.98"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8c942ebf8e95485ca0d52d97da7c5a2c387d0e7f0ba4c35e93bfcaee045955b3"
+checksum = "67df7112613f8bfd9150013a0314e196f4800d3201ae742489d999db2f979f08"
 dependencies = [
+ "cfg-if",
+ "futures-util",
  "once_cell",
  "wasm-bindgen",
 ]
@@ -269,9 +271,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen"
-version = "0.2.108"
+version = "0.2.121"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "64024a30ec1e37399cf85a7ffefebdb72205ca1c972291c51512360d90bd8566"
+checksum = "49ace1d07c165b0864824eee619580c4689389afa9dc9ed3a4c75040d82e6790"
 dependencies = [
  "cfg-if",
  "once_cell",
@@ -282,23 +284,19 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-futures"
-version = "0.4.58"
+version = "0.4.71"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "70a6e77fd0ae8029c9ea0063f87c46fde723e7d887703d74ad2616d792e51e6f"
+checksum = "96492d0d3ffba25305a7dc88720d250b1401d7edca02cc3bcd50633b424673b8"
 dependencies = [
- "cfg-if",
- "futures-util",
  "js-sys",
- "once_cell",
  "wasm-bindgen",
- "web-sys",
 ]
 
 [[package]]
 name = "wasm-bindgen-macro"
-version = "0.2.108"
+version = "0.2.121"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "008b239d9c740232e71bd39e8ef6429d27097518b6b30bdf9086833bd5b6d608"
+checksum = "8e68e6f4afd367a562002c05637acb8578ff2dea1943df76afb9e83d177c8578"
 dependencies = [
  "quote",
  "wasm-bindgen-macro-support",
@@ -306,9 +304,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-macro-support"
-version = "0.2.108"
+version = "0.2.121"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5256bae2d58f54820e6490f9839c49780dff84c65aeab9e772f15d5f0e913a55"
+checksum = "d95a9ec35c64b2a7cb35d3fead40c4238d0940c86d107136999567a4703259f2"
 dependencies = [
  "bumpalo",
  "proc-macro2",
@@ -319,18 +317,18 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-shared"
-version = "0.2.108"
+version = "0.2.121"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1f01b580c9ac74c8d8f0c0e4afb04eeef2acf145458e52c03845ee9cd23e3d12"
+checksum = "c4e0100b01e9f0d03189a92b96772a1fb998639d981193d7dbab487302513441"
 dependencies = [
  "unicode-ident",
 ]
 
 [[package]]
 name = "wasm-bindgen-test"
-version = "0.3.58"
+version = "0.3.71"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "45649196a53b0b7a15101d845d44d2dda7374fc1b5b5e2bbf58b7577ff4b346d"
+checksum = "af5ec93229ad9ccd0a545a516dec76dc276613f278f6a91aa6b463d5b33d42d0"
 dependencies = [
  "async-trait",
  "cast",
@@ -350,9 +348,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-test-macro"
-version = "0.3.58"
+version = "0.3.71"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f579cdd0123ac74b94e1a4a72bd963cf30ebac343f2df347da0b8df24cdebed2"
+checksum = "3c81b9fef827e575e0e54431736d1baa0d700315d8c62cfef1f61fa3aad0cbeb"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -361,9 +359,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-test-shared"
-version = "0.2.108"
+version = "0.2.121"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a8145dd1593bf0fb137dbfa85b8be79ec560a447298955877804640e40c2d6ea"
+checksum = "4f4d8ae7ad5440360e9799dfd42857d126454a88441ddf72d288ef83fa47f527"
 
 [[package]]
 name = "wasm-example"
@@ -373,16 +371,6 @@ dependencies = [
  "wasm-bindgen-test",
 ]
 
-[[package]]
-name = "web-sys"
-version = "0.3.85"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "312e32e551d92129218ea9a2452120f4aabc03529ef03e4d0d82fb2780608598"
-dependencies = [
- "js-sys",
- "wasm-bindgen",
-]
-
 [[package]]
 name = "winapi-util"
 version = "0.1.9"
diff --git a/example/Cargo.toml b/example/Cargo.toml
index 06b0499..ce35590 100644
--- a/example/Cargo.toml
+++ b/example/Cargo.toml
@@ -11,7 +11,7 @@ crate-type = ['cdylib', 'rlib']
 wasm-bindgen = "0.2.84"
 
 [dev-dependencies]
-wasm-bindgen-test = "0.3.58"
+wasm-bindgen-test = "0.3.71"
 
 [profile.release]
 # Tell `rustc` to optimize for small code size.