diff --git a/example/Cargo.lock b/example/Cargo.lock
index 6ae888d..f1a5713 100644
--- a/example/Cargo.lock
+++ b/example/Cargo.lock
@@ -79,10 +79,12 @@ checksum = "92ecc6618181def0457392ccd0ee51198e065e016d1d527a7ac1b6dc7c1f09d2"
 
 [[package]]
 name = "js-sys"
-version = "0.3.85"
+version = "0.3.97"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8c942ebf8e95485ca0d52d97da7c5a2c387d0e7f0ba4c35e93bfcaee045955b3"
+checksum = "a1840c94c045fbcf8ba2812c95db44499f7c64910a912551aaaa541decebcacf"
 dependencies = [
+ "cfg-if",
+ "futures-util",
  "once_cell",
  "wasm-bindgen",
 ]
@@ -269,9 +271,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen"
-version = "0.2.108"
+version = "0.2.120"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "64024a30ec1e37399cf85a7ffefebdb72205ca1c972291c51512360d90bd8566"
+checksum = "df52b6d9b87e0c74c9edfa1eb2d9bf85e5d63515474513aa50fa181b3c4f5db1"
 dependencies = [
  "cfg-if",
  "once_cell",
@@ -282,23 +284,19 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-futures"
-version = "0.4.58"
+version = "0.4.70"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "70a6e77fd0ae8029c9ea0063f87c46fde723e7d887703d74ad2616d792e51e6f"
+checksum = "af934872acec734c2d80e6617bbb5ff4f12b052dd8e6332b0817bce889516084"
 dependencies = [
- "cfg-if",
- "futures-util",
  "js-sys",
- "once_cell",
  "wasm-bindgen",
- "web-sys",
 ]
 
 [[package]]
 name = "wasm-bindgen-macro"
-version = "0.2.108"
+version = "0.2.120"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "008b239d9c740232e71bd39e8ef6429d27097518b6b30bdf9086833bd5b6d608"
+checksum = "78b1041f495fb322e64aca85f5756b2172e35cd459376e67f2a6c9dffcedb103"
 dependencies = [
  "quote",
  "wasm-bindgen-macro-support",
@@ -306,9 +304,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-macro-support"
-version = "0.2.108"
+version = "0.2.120"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5256bae2d58f54820e6490f9839c49780dff84c65aeab9e772f15d5f0e913a55"
+checksum = "9dcd0ff20416988a18ac686d4d4d0f6aae9ebf08a389ff5d29012b05af2a1b41"
 dependencies = [
  "bumpalo",
  "proc-macro2",
@@ -319,18 +317,18 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-shared"
-version = "0.2.108"
+version = "0.2.120"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1f01b580c9ac74c8d8f0c0e4afb04eeef2acf145458e52c03845ee9cd23e3d12"
+checksum = "49757b3c82ebf16c57d69365a142940b384176c24df52a087fb748e2085359ea"
 dependencies = [
  "unicode-ident",
 ]
 
 [[package]]
 name = "wasm-bindgen-test"
-version = "0.3.58"
+version = "0.3.70"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "45649196a53b0b7a15101d845d44d2dda7374fc1b5b5e2bbf58b7577ff4b346d"
+checksum = "29826f9d9ecaa314c480d376b276d1c790e6cb6a4681fab8532da69cbabf977d"
 dependencies = [
  "async-trait",
  "cast",
@@ -350,9 +348,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-test-macro"
-version = "0.3.58"
+version = "0.3.70"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f579cdd0123ac74b94e1a4a72bd963cf30ebac343f2df347da0b8df24cdebed2"
+checksum = "c610311887f9e6599a546d278d12d69dfd3a3e92639b2129e4b11ad6cf1961d6"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -361,9 +359,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-test-shared"
-version = "0.2.108"
+version = "0.2.120"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a8145dd1593bf0fb137dbfa85b8be79ec560a447298955877804640e40c2d6ea"
+checksum = "60238e5b4b1b295701d6f9a66d2a126fe19990348f5fb9dae3b623a370119d94"
 
 [[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..a77386e 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 = "0.3.70"
 
 [profile.release]
 # Tell `rustc` to optimize for small code size.