diff --git a/Cargo.toml b/Cargo.toml
index f7f032271..8bb238a7e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "wasm-bindgen"
-version = "0.2.29"
+version = "0.2.30"
 authors = ["The wasm-bindgen Developers"]
 license = "MIT/Apache-2.0"
 # Because only a single `wasm_bindgen` version can be used in a dependency
@@ -39,13 +39,13 @@ strict-macro = ["wasm-bindgen-macro/strict-macro"]
 xxx_debug_only_print_generated_code = ["wasm-bindgen-macro/xxx_debug_only_print_generated_code"]
 
 [dependencies]
-wasm-bindgen-macro = { path = "crates/macro", version = "=0.2.29" }
+wasm-bindgen-macro = { path = "crates/macro", version = "=0.2.30" }
 serde = { version = "1.0", optional = true }
 serde_json = { version = "1.0", optional = true }
 
 [target.'cfg(target_arch = "wasm32")'.dev-dependencies]
-js-sys = { path = 'crates/js-sys', version = '0.3.6' }
-wasm-bindgen-test = { path = 'crates/test', version = '=0.2.29' }
+js-sys = { path = 'crates/js-sys', version = '0.3.7' }
+wasm-bindgen-test = { path = 'crates/test', version = '=0.2.30' }
 serde_derive = "1.0"
 wasm-bindgen-test-crate-a = { path = 'tests/crates/a', version = '0.1' }
 wasm-bindgen-test-crate-b = { path = 'tests/crates/b', version = '0.1' }
diff --git a/crates/backend/Cargo.toml b/crates/backend/Cargo.toml
index 30f40dc9a..cc537b5df 100644
--- a/crates/backend/Cargo.toml
+++ b/crates/backend/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "wasm-bindgen-backend"
-version = "0.2.29"
+version = "0.2.30"
 authors = ["The wasm-bindgen Developers"]
 license = "MIT/Apache-2.0"
 repository = "https://github.com/rustwasm/wasm-bindgen/tree/master/crates/backend"
@@ -20,4 +20,4 @@ log = "0.4"
 proc-macro2 = "0.4.8"
 quote = '0.6'
 syn = { version = '0.15', features = ['full'] }
-wasm-bindgen-shared = { path = "../shared", version = "=0.2.29" }
+wasm-bindgen-shared = { path = "../shared", version = "=0.2.30" }
diff --git a/crates/cli-support/Cargo.toml b/crates/cli-support/Cargo.toml
index 69dff1e03..55d079a40 100644
--- a/crates/cli-support/Cargo.toml
+++ b/crates/cli-support/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "wasm-bindgen-cli-support"
-version = "0.2.29"
+version = "0.2.30"
 authors = ["The wasm-bindgen Developers"]
 license = "MIT/Apache-2.0"
 repository = "https://github.com/rustwasm/wasm-bindgen/tree/master/crates/cli-support"
@@ -15,7 +15,7 @@ base64 = "0.9"
 failure = "0.1.2"
 parity-wasm = "0.35"
 tempfile = "3.0"
-wasm-bindgen-gc = { path = '../gc', version = '=0.2.29' }
-wasm-bindgen-shared = { path = "../shared", version = '=0.2.29' }
-wasm-bindgen-threads-xform = { path = '../threads-xform', version = '=0.2.29' }
-wasm-bindgen-wasm-interpreter = { path = "../wasm-interpreter", version = '=0.2.29' }
+wasm-bindgen-gc = { path = '../gc', version = '=0.2.30' }
+wasm-bindgen-shared = { path = "../shared", version = '=0.2.30' }
+wasm-bindgen-threads-xform = { path = '../threads-xform', version = '=0.2.30' }
+wasm-bindgen-wasm-interpreter = { path = "../wasm-interpreter", version = '=0.2.30' }
diff --git a/crates/cli/Cargo.toml b/crates/cli/Cargo.toml
index 117d2d64f..85251e143 100644
--- a/crates/cli/Cargo.toml
+++ b/crates/cli/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "wasm-bindgen-cli"
-version = "0.2.29"
+version = "0.2.30"
 authors = ["The wasm-bindgen Developers"]
 license = "MIT/Apache-2.0"
 repository = "https://github.com/rustwasm/wasm-bindgen/tree/master/crates/cli"
@@ -23,8 +23,8 @@ rouille = { version = "3.0.0", default-features = false }
 serde = "1.0"
 serde_derive = "1.0"
 serde_json = "1.0"
-wasm-bindgen-cli-support = { path = "../cli-support", version = "=0.2.29" }
-wasm-bindgen-shared = { path = "../shared", version = "=0.2.29" }
+wasm-bindgen-cli-support = { path = "../cli-support", version = "=0.2.30" }
+wasm-bindgen-shared = { path = "../shared", version = "=0.2.30" }
 openssl = { version = '0.10.11', optional = true }
 
 [features]
diff --git a/crates/futures/Cargo.toml b/crates/futures/Cargo.toml
index dcadd9ebe..7d6000905 100644
--- a/crates/futures/Cargo.toml
+++ b/crates/futures/Cargo.toml
@@ -7,12 +7,12 @@ license = "MIT/Apache-2.0"
 name = "wasm-bindgen-futures"
 repository = "https://github.com/rustwasm/wasm-bindgen/tree/master/crates/futures"
 readme = "./README.md"
-version = "0.3.6"
+version = "0.3.7"
 
 [dependencies]
 futures = "0.1.20"
-js-sys = { path = "../js-sys", version = '0.3.6' }
-wasm-bindgen = { path = "../..", version = '0.2.29' }
+js-sys = { path = "../js-sys", version = '0.3.7' }
+wasm-bindgen = { path = "../..", version = '0.2.30' }
 
 [target.'cfg(target_arch = "wasm32")'.dev-dependencies]
-wasm-bindgen-test = { path = '../test', version = '0.2.29' }
+wasm-bindgen-test = { path = '../test', version = '0.2.30' }
diff --git a/crates/gc/Cargo.toml b/crates/gc/Cargo.toml
index 4e39b0888..befdf2e70 100644
--- a/crates/gc/Cargo.toml
+++ b/crates/gc/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "wasm-bindgen-gc"
-version = "0.2.29"
+version = "0.2.30"
 authors = ["The wasm-bindgen Developers"]
 license = "MIT/Apache-2.0"
 repository = "https://github.com/rustwasm/wasm-bindgen/tree/master/crates/gc"
diff --git a/crates/js-sys/Cargo.toml b/crates/js-sys/Cargo.toml
index 77c35d66e..239eec3f1 100644
--- a/crates/js-sys/Cargo.toml
+++ b/crates/js-sys/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "js-sys"
-version = "0.3.6"
+version = "0.3.7"
 authors = ["The wasm-bindgen Developers"]
 readme = "./README.md"
 categories = ["wasm"]
@@ -18,9 +18,9 @@ test = false
 doctest = false
 
 [dependencies]
-wasm-bindgen = { path = "../..", version = "0.2.29" }
+wasm-bindgen = { path = "../..", version = "0.2.30" }
 
 [target.'cfg(target_arch = "wasm32")'.dev-dependencies]
 futures = "0.1.20"
-wasm-bindgen-test = { path = '../test', version = '=0.2.29' }
-wasm-bindgen-futures = { path = '../futures', version = '=0.3.6' }
+wasm-bindgen-test = { path = '../test', version = '=0.2.30' }
+wasm-bindgen-futures = { path = '../futures', version = '=0.3.7' }
diff --git a/crates/macro-support/Cargo.toml b/crates/macro-support/Cargo.toml
index e91503cc7..ca6b72bd3 100644
--- a/crates/macro-support/Cargo.toml
+++ b/crates/macro-support/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "wasm-bindgen-macro-support"
-version = "0.2.29"
+version = "0.2.30"
 authors = ["The wasm-bindgen Developers"]
 license = "MIT/Apache-2.0"
 repository = "https://github.com/rustwasm/wasm-bindgen/tree/master/crates/macro-support"
@@ -19,5 +19,5 @@ strict-macro = []
 syn = { version = '0.15.0', features = ['visit'] }
 quote = '0.6'
 proc-macro2 = "0.4.9"
-wasm-bindgen-backend = { path = "../backend", version = "=0.2.29" }
-wasm-bindgen-shared = { path = "../shared", version = "=0.2.29" }
+wasm-bindgen-backend = { path = "../backend", version = "=0.2.30" }
+wasm-bindgen-shared = { path = "../shared", version = "=0.2.30" }
diff --git a/crates/macro/Cargo.toml b/crates/macro/Cargo.toml
index ccf6efbb2..22568b9d4 100644
--- a/crates/macro/Cargo.toml
+++ b/crates/macro/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "wasm-bindgen-macro"
-version = "0.2.29"
+version = "0.2.30"
 authors = ["The wasm-bindgen Developers"]
 license = "MIT/Apache-2.0"
 repository = "https://github.com/rustwasm/wasm-bindgen/tree/master/crates/macro"
@@ -19,5 +19,5 @@ xxx_debug_only_print_generated_code = []
 strict-macro = ["wasm-bindgen-macro-support/strict-macro"]
 
 [dependencies]
-wasm-bindgen-macro-support = { path = "../macro-support", version = "=0.2.29" }
+wasm-bindgen-macro-support = { path = "../macro-support", version = "=0.2.30" }
 quote = "0.6"
diff --git a/crates/shared/Cargo.toml b/crates/shared/Cargo.toml
index ee8a405bc..30fc31c0a 100644
--- a/crates/shared/Cargo.toml
+++ b/crates/shared/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "wasm-bindgen-shared"
-version = "0.2.29"
+version = "0.2.30"
 authors = ["The wasm-bindgen Developers"]
 license = "MIT/Apache-2.0"
 repository = "https://github.com/rustwasm/wasm-bindgen/tree/master/crates/shared"
diff --git a/crates/test-macro/Cargo.toml b/crates/test-macro/Cargo.toml
index 79637c35f..be3c5ecb7 100644
--- a/crates/test-macro/Cargo.toml
+++ b/crates/test-macro/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "wasm-bindgen-test-macro"
-version = "0.2.29"
+version = "0.2.30"
 authors = ["The wasm-bindgen Developers"]
 description = "Internal testing macro for wasm-bindgen"
 license = "MIT/Apache-2.0"
diff --git a/crates/test/Cargo.toml b/crates/test/Cargo.toml
index b6265af2a..19e18a21e 100644
--- a/crates/test/Cargo.toml
+++ b/crates/test/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "wasm-bindgen-test"
-version = "0.2.29"
+version = "0.2.30"
 authors = ["The wasm-bindgen Developers"]
 description = "Internal testing crate for wasm-bindgen"
 license = "MIT/Apache-2.0"
@@ -9,11 +9,11 @@ repository = "https://github.com/rustwasm/wasm-bindgen"
 [dependencies]
 console_error_panic_hook = '0.1'
 futures = "0.1"
-js-sys = { path = '../js-sys', version = '0.3.6' }
+js-sys = { path = '../js-sys', version = '0.3.7' }
 scoped-tls = "0.1"
-wasm-bindgen = { path = '../..', version = '0.2.29' }
-wasm-bindgen-futures = { path = '../futures', version = '0.3.6' }
-wasm-bindgen-test-macro = { path = '../test-macro', version = '=0.2.29' }
+wasm-bindgen = { path = '../..', version = '0.2.30' }
+wasm-bindgen-futures = { path = '../futures', version = '0.3.7' }
+wasm-bindgen-test-macro = { path = '../test-macro', version = '=0.2.30' }
 
 [lib]
 test = false
diff --git a/crates/threads-xform/Cargo.toml b/crates/threads-xform/Cargo.toml
index 9602f0faa..cbd9ee2ab 100644
--- a/crates/threads-xform/Cargo.toml
+++ b/crates/threads-xform/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "wasm-bindgen-threads-xform"
-version = "0.2.29"
+version = "0.2.30"
 authors = ["The wasm-bindgen Developers"]
 license = "MIT/Apache-2.0"
 repository = "https://github.com/rustwasm/wasm-bindgen/tree/master/crates/threads-xform"
diff --git a/crates/wasm-interpreter/Cargo.toml b/crates/wasm-interpreter/Cargo.toml
index 439f2fd61..9cba8bf9a 100644
--- a/crates/wasm-interpreter/Cargo.toml
+++ b/crates/wasm-interpreter/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "wasm-bindgen-wasm-interpreter"
-version = "0.2.29"
+version = "0.2.30"
 authors = ["The wasm-bindgen Developers"]
 license = "MIT/Apache-2.0"
 repository = "https://github.com/rustwasm/wasm-bindgen/tree/master/crates/wasm-interpreter"
diff --git a/crates/web-sys/Cargo.toml b/crates/web-sys/Cargo.toml
index e22f500d1..022b47ed7 100644
--- a/crates/web-sys/Cargo.toml
+++ b/crates/web-sys/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "web-sys"
-version = "0.3.6"
+version = "0.3.7"
 authors = ["The wasm-bindgen Developers"]
 readme = "./README.md"
 homepage = "https://rustwasm.github.io/wasm-bindgen/web-sys/index.html"
@@ -21,17 +21,17 @@ test = false
 [build-dependencies]
 env_logger = "0.6.0"
 failure = "0.1.2"
-wasm-bindgen-webidl = { path = "../webidl", version = "=0.2.23" }
+wasm-bindgen-webidl = { path = "../webidl", version = "=0.2.24" }
 sourcefile = "0.1"
 
 [dependencies]
-wasm-bindgen = { path = "../..", version = "0.2.29" }
-js-sys = { path = '../js-sys', version = '0.3.6' }
+wasm-bindgen = { path = "../..", version = "0.2.30" }
+js-sys = { path = '../js-sys', version = '0.3.7' }
 
 [target.'cfg(target_arch = "wasm32")'.dev-dependencies]
 futures = "0.1"
-wasm-bindgen-test = { path = '../test', version = '0.2.29' }
-wasm-bindgen-futures = { path = '../futures', version = '0.3.6' }
+wasm-bindgen-test = { path = '../test', version = '0.2.30' }
+wasm-bindgen-futures = { path = '../futures', version = '0.3.7' }
 
 # This list is generated by passing `__WASM_BINDGEN_DUMP_FEATURES=foo` when
 # compiling this crate which dumps the total list of features to a file called
diff --git a/crates/webidl/Cargo.toml b/crates/webidl/Cargo.toml
index fb1af2d19..d48c739de 100644
--- a/crates/webidl/Cargo.toml
+++ b/crates/webidl/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "wasm-bindgen-webidl"
-version = "0.2.23"
+version = "0.2.24"
 authors = ["The wasm-bindgen Developers"]
 license = "MIT/Apache-2.0"
 categories = ["wasm"]
@@ -18,5 +18,5 @@ log = "0.4.1"
 proc-macro2 = "0.4.8"
 quote = '0.6'
 syn = { version = '0.15', features = ['full'] }
-wasm-bindgen-backend = { version = "=0.2.29", path = "../backend" }
+wasm-bindgen-backend = { version = "=0.2.30", path = "../backend" }
 weedle = "0.8"
diff --git a/examples/add/Cargo.toml b/examples/add/Cargo.toml
index 49c69f594..541e933a7 100644
--- a/examples/add/Cargo.toml
+++ b/examples/add/Cargo.toml
@@ -8,4 +8,4 @@ edition = "2018"
 crate-type = ["cdylib"]
 
 [dependencies]
-wasm-bindgen = "0.2.29"
+wasm-bindgen = "0.2.30"
diff --git a/examples/canvas/Cargo.toml b/examples/canvas/Cargo.toml
index e00b88f67..4e1dcba0f 100644
--- a/examples/canvas/Cargo.toml
+++ b/examples/canvas/Cargo.toml
@@ -8,8 +8,8 @@ edition = "2018"
 crate-type = ["cdylib"]
 
 [dependencies]
-js-sys = "0.3.6"
-wasm-bindgen = "0.2.29"
+js-sys = "0.3.7"
+wasm-bindgen = "0.2.30"
 
 [dependencies.web-sys]
 version = "0.3.4"
diff --git a/examples/char/Cargo.toml b/examples/char/Cargo.toml
index 41b8089c8..d7b1afeef 100644
--- a/examples/char/Cargo.toml
+++ b/examples/char/Cargo.toml
@@ -8,4 +8,4 @@ edition = "2018"
 crate-type = ["cdylib"]
 
 [dependencies]
-wasm-bindgen = "0.2.29"
+wasm-bindgen = "0.2.30"
diff --git a/examples/closures/Cargo.toml b/examples/closures/Cargo.toml
index 7093355d3..92fb66cdb 100644
--- a/examples/closures/Cargo.toml
+++ b/examples/closures/Cargo.toml
@@ -8,8 +8,8 @@ edition = "2018"
 crate-type = ["cdylib"]
 
 [dependencies]
-wasm-bindgen = "0.2.29"
-js-sys = "0.3.6"
+wasm-bindgen = "0.2.30"
+js-sys = "0.3.7"
 
 [dependencies.web-sys]
 version = "0.3.4"
diff --git a/examples/console_log/Cargo.toml b/examples/console_log/Cargo.toml
index 06e52cf98..2ad0f8f14 100644
--- a/examples/console_log/Cargo.toml
+++ b/examples/console_log/Cargo.toml
@@ -8,5 +8,5 @@ edition = "2018"
 crate-type = ["cdylib"]
 
 [dependencies]
-wasm-bindgen = "0.2.29"
-web-sys = { version = "0.3.6", features = ['console'] }
+wasm-bindgen = "0.2.30"
+web-sys = { version = "0.3.7", features = ['console'] }
diff --git a/examples/dom/Cargo.toml b/examples/dom/Cargo.toml
index 588272262..712854d9d 100644
--- a/examples/dom/Cargo.toml
+++ b/examples/dom/Cargo.toml
@@ -8,7 +8,7 @@ edition = "2018"
 crate-type = ["cdylib"]
 
 [dependencies]
-wasm-bindgen = "0.2.29"
+wasm-bindgen = "0.2.30"
 
 [dependencies.web-sys]
 version = "0.3.4"
diff --git a/examples/duck-typed-interfaces/Cargo.toml b/examples/duck-typed-interfaces/Cargo.toml
index fbac1792c..c154480a7 100644
--- a/examples/duck-typed-interfaces/Cargo.toml
+++ b/examples/duck-typed-interfaces/Cargo.toml
@@ -8,4 +8,4 @@ edition = "2018"
 crate-type = ["cdylib"]
 
 [dependencies]
-wasm-bindgen = "0.2.29"
+wasm-bindgen = "0.2.30"
diff --git a/examples/fetch/Cargo.toml b/examples/fetch/Cargo.toml
index fd2b87cb3..4b8687117 100644
--- a/examples/fetch/Cargo.toml
+++ b/examples/fetch/Cargo.toml
@@ -9,9 +9,9 @@ crate-type = ["cdylib"]
 
 [dependencies]
 futures = "0.1.20"
-wasm-bindgen = { version = "0.2.29", features = ["serde-serialize"]  }
-js-sys = "0.3.6"
-wasm-bindgen-futures = "0.3.6"
+wasm-bindgen = { version = "0.2.30", features = ["serde-serialize"]  }
+js-sys = "0.3.7"
+wasm-bindgen-futures = "0.3.7"
 serde = { version = "1.0.80", features = ["derive"] }
 serde_derive = "^1.0.59"
 
diff --git a/examples/guide-supported-types-examples/Cargo.toml b/examples/guide-supported-types-examples/Cargo.toml
index 3e1d046a6..c57f359b1 100644
--- a/examples/guide-supported-types-examples/Cargo.toml
+++ b/examples/guide-supported-types-examples/Cargo.toml
@@ -8,4 +8,4 @@ edition = "2018"
 crate-type = ["cdylib"]
 
 [dependencies]
-wasm-bindgen = "0.2.29"
+wasm-bindgen = "0.2.30"
diff --git a/examples/hello_world/Cargo.toml b/examples/hello_world/Cargo.toml
index 2a9832d97..26cea1f72 100644
--- a/examples/hello_world/Cargo.toml
+++ b/examples/hello_world/Cargo.toml
@@ -8,4 +8,4 @@ edition = "2018"
 crate-type = ["cdylib"]
 
 [dependencies]
-wasm-bindgen = "0.2.29"
+wasm-bindgen = "0.2.30"
diff --git a/examples/import_js/Cargo.toml b/examples/import_js/Cargo.toml
index a706a9892..bb9799d8c 100644
--- a/examples/import_js/Cargo.toml
+++ b/examples/import_js/Cargo.toml
@@ -8,4 +8,4 @@ edition = "2018"
 crate-type = ["cdylib"]
 
 [dependencies]
-wasm-bindgen = "0.2.29"
+wasm-bindgen = "0.2.30"
diff --git a/examples/julia_set/Cargo.toml b/examples/julia_set/Cargo.toml
index 0756349e2..3d146d8f4 100644
--- a/examples/julia_set/Cargo.toml
+++ b/examples/julia_set/Cargo.toml
@@ -8,7 +8,7 @@ edition = "2018"
 crate-type = ["cdylib"]
 
 [dependencies]
-wasm-bindgen = "0.2.29"
+wasm-bindgen = "0.2.30"
 
 [dependencies.web-sys]
 version = "0.3.4"
diff --git a/examples/no_modules/Cargo.toml b/examples/no_modules/Cargo.toml
index 712667e02..07d2631a2 100644
--- a/examples/no_modules/Cargo.toml
+++ b/examples/no_modules/Cargo.toml
@@ -8,7 +8,7 @@ edition = "2018"
 crate-type = ["cdylib"]
 
 [dependencies]
-wasm-bindgen = "0.2.29"
+wasm-bindgen = "0.2.30"
 
 [dependencies.web-sys]
 version = "0.3.4"
diff --git a/examples/paint/Cargo.toml b/examples/paint/Cargo.toml
index f2cc8631b..ae6e1d8ef 100644
--- a/examples/paint/Cargo.toml
+++ b/examples/paint/Cargo.toml
@@ -8,8 +8,8 @@ edition = "2018"
 crate-type = ["cdylib"]
 
 [dependencies]
-js-sys = "0.3.6"
-wasm-bindgen = "0.2.29"
+js-sys = "0.3.7"
+wasm-bindgen = "0.2.30"
 
 [dependencies.web-sys]
 version = "0.3.4"
diff --git a/examples/performance/Cargo.toml b/examples/performance/Cargo.toml
index 3ad30a06b..caaf41f68 100644
--- a/examples/performance/Cargo.toml
+++ b/examples/performance/Cargo.toml
@@ -8,7 +8,7 @@ edition = "2018"
 crate-type = ["cdylib"]
 
 [dependencies]
-wasm-bindgen = "0.2.29"
+wasm-bindgen = "0.2.30"
 humantime = "1"
 
 [dependencies.web-sys]
diff --git a/examples/raytrace-parallel/Cargo.toml b/examples/raytrace-parallel/Cargo.toml
index d47476898..3942a5c54 100644
--- a/examples/raytrace-parallel/Cargo.toml
+++ b/examples/raytrace-parallel/Cargo.toml
@@ -10,10 +10,10 @@ crate-type = ["cdylib"]
 [dependencies]
 console_error_panic_hook = "0.1"
 futures = "0.1"
-js-sys = "0.3.6"
+js-sys = "0.3.7"
 raytracer = { git = 'https://github.com/alexcrichton/raytracer', branch = 'update-deps' }
-wasm-bindgen = { version = "0.2.29", features = ['serde-serialize'] }
-wasm-bindgen-futures = "0.3.6"
+wasm-bindgen = { version = "0.2.30", features = ['serde-serialize'] }
+wasm-bindgen-futures = "0.3.7"
 
 [dependencies.web-sys]
 version = "0.3.4"
diff --git a/examples/request-animation-frame/Cargo.toml b/examples/request-animation-frame/Cargo.toml
index 0e0f0ee04..ee16ec63c 100644
--- a/examples/request-animation-frame/Cargo.toml
+++ b/examples/request-animation-frame/Cargo.toml
@@ -8,7 +8,7 @@ edition = "2018"
 crate-type = ["cdylib"]
 
 [dependencies]
-wasm-bindgen = "0.2.29"
+wasm-bindgen = "0.2.30"
 
 [dependencies.web-sys]
 version = "0.3.4"
diff --git a/examples/todomvc/Cargo.toml b/examples/todomvc/Cargo.toml
index 18f23aec5..7e680d40f 100644
--- a/examples/todomvc/Cargo.toml
+++ b/examples/todomvc/Cargo.toml
@@ -11,8 +11,8 @@ crate-type = ["cdylib"]
 askama = "0.7.2"
 
 [dependencies]
-js-sys = "0.3.6"
-wasm-bindgen = "0.2.29"
+js-sys = "0.3.7"
+wasm-bindgen = "0.2.30"
 askama = "0.7.2"
 console_error_panic_hook = "0.1.5"
 
diff --git a/examples/wasm-in-wasm/Cargo.toml b/examples/wasm-in-wasm/Cargo.toml
index 491247c87..b727c1000 100644
--- a/examples/wasm-in-wasm/Cargo.toml
+++ b/examples/wasm-in-wasm/Cargo.toml
@@ -8,5 +8,5 @@ edition = "2018"
 crate-type = ["cdylib"]
 
 [dependencies]
-wasm-bindgen = "0.2.29"
-js-sys = "0.3.6"
+wasm-bindgen = "0.2.30"
+js-sys = "0.3.7"
diff --git a/examples/wasm2js/Cargo.toml b/examples/wasm2js/Cargo.toml
index 616839089..616d90fa1 100644
--- a/examples/wasm2js/Cargo.toml
+++ b/examples/wasm2js/Cargo.toml
@@ -8,4 +8,4 @@ edition = "2018"
 crate-type = ["cdylib"]
 
 [dependencies]
-wasm-bindgen = "0.2.29"
+wasm-bindgen = "0.2.30"
diff --git a/examples/webaudio/Cargo.toml b/examples/webaudio/Cargo.toml
index 1d71c198e..836aad293 100644
--- a/examples/webaudio/Cargo.toml
+++ b/examples/webaudio/Cargo.toml
@@ -8,7 +8,7 @@ edition = "2018"
 crate-type = ["cdylib"]
 
 [dependencies]
-wasm-bindgen = "0.2.29"
+wasm-bindgen = "0.2.30"
 
 [dependencies.web-sys]
 version = "0.3.4"
diff --git a/examples/webgl/Cargo.toml b/examples/webgl/Cargo.toml
index 96dd71c83..e0749eadd 100644
--- a/examples/webgl/Cargo.toml
+++ b/examples/webgl/Cargo.toml
@@ -8,8 +8,8 @@ edition = "2018"
 crate-type = ["cdylib"]
 
 [dependencies]
-js-sys = "0.3.6"
-wasm-bindgen = "0.2.29"
+js-sys = "0.3.7"
+wasm-bindgen = "0.2.30"
 
 [dependencies.web-sys]
 version = "0.3.4"