diff --git a/CHANGELOG.md b/CHANGELOG.md
index f4848924..ef1689a6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,7 +4,7 @@
 
 ## 0.2.51
 
-Not released yet
+Released 2019-09-26.
 
 ### Added
 
diff --git a/Cargo.toml b/Cargo.toml
index 93c8add1..16dba02d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "wasm-bindgen"
-version = "0.2.50"
+version = "0.2.51"
 authors = ["The wasm-bindgen Developers"]
 license = "MIT/Apache-2.0"
 readme = "README.md"
@@ -36,15 +36,15 @@ 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 = "=0.2.50" }
+wasm-bindgen-macro = { path = "crates/macro", version = "=0.2.51" }
 serde = { version = "1.0", optional = true }
 serde_json = { version = "1.0", optional = true }
 cfg-if = "0.1.9"
 
 [target.'cfg(target_arch = "wasm32")'.dev-dependencies]
-js-sys = { path = 'crates/js-sys', version = '0.3.27' }
-wasm-bindgen-test = { path = 'crates/test', version = '=0.3.0' }
-wasm-bindgen-futures = { path = 'crates/futures', version = '=0.4.0' }
+js-sys = { path = 'crates/js-sys', version = '0.3.28' }
+wasm-bindgen-test = { path = 'crates/test', version = '=0.3.1' }
+wasm-bindgen-futures = { path = 'crates/futures', version = '=0.4.1' }
 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/anyref-xform/Cargo.toml b/crates/anyref-xform/Cargo.toml
index d94f52e0..0bec76e8 100644
--- a/crates/anyref-xform/Cargo.toml
+++ b/crates/anyref-xform/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "wasm-bindgen-anyref-xform"
-version = "0.2.50"
+version = "0.2.51"
 authors = ["The wasm-bindgen Developers"]
 license = "MIT/Apache-2.0"
 repository = "https://github.com/rustwasm/wasm-bindgen/tree/master/crates/anyref-xform"
diff --git a/crates/backend/Cargo.toml b/crates/backend/Cargo.toml
index 3c5fd077..90d5bdf2 100644
--- a/crates/backend/Cargo.toml
+++ b/crates/backend/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "wasm-bindgen-backend"
-version = "0.2.50"
+version = "0.2.51"
 authors = ["The wasm-bindgen Developers"]
 license = "MIT/Apache-2.0"
 repository = "https://github.com/rustwasm/wasm-bindgen/tree/master/crates/backend"
@@ -22,4 +22,4 @@ log = "0.4"
 proc-macro2 = "1.0"
 quote = '1.0'
 syn = { version = '1.0', features = ['full'] }
-wasm-bindgen-shared = { path = "../shared", version = "=0.2.50" }
+wasm-bindgen-shared = { path = "../shared", version = "=0.2.51" }
diff --git a/crates/cli-support/Cargo.toml b/crates/cli-support/Cargo.toml
index 90409c20..52c4d0ab 100644
--- a/crates/cli-support/Cargo.toml
+++ b/crates/cli-support/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "wasm-bindgen-cli-support"
-version = "0.2.50"
+version = "0.2.51"
 authors = ["The wasm-bindgen Developers"]
 license = "MIT/Apache-2.0"
 repository = "https://github.com/rustwasm/wasm-bindgen/tree/master/crates/cli-support"
@@ -19,10 +19,10 @@ rustc-demangle = "0.1.13"
 serde_json = "1.0"
 tempfile = "3.0"
 walrus = "0.12.0"
-wasm-bindgen-anyref-xform = { path = '../anyref-xform', version = '=0.2.50' }
-wasm-bindgen-shared = { path = "../shared", version = '=0.2.50' }
-wasm-bindgen-multi-value-xform = { path = '../multi-value-xform', version = '=0.2.50' }
-wasm-bindgen-threads-xform = { path = '../threads-xform', version = '=0.2.50' }
-wasm-bindgen-wasm-conventions = { path = '../wasm-conventions', version = '=0.2.50' }
-wasm-bindgen-wasm-interpreter = { path = "../wasm-interpreter", version = '=0.2.50' }
+wasm-bindgen-anyref-xform = { path = '../anyref-xform', version = '=0.2.51' }
+wasm-bindgen-shared = { path = "../shared", version = '=0.2.51' }
+wasm-bindgen-multi-value-xform = { path = '../multi-value-xform', version = '=0.2.51' }
+wasm-bindgen-threads-xform = { path = '../threads-xform', version = '=0.2.51' }
+wasm-bindgen-wasm-conventions = { path = '../wasm-conventions', version = '=0.2.51' }
+wasm-bindgen-wasm-interpreter = { path = "../wasm-interpreter", version = '=0.2.51' }
 wasm-webidl-bindings = "0.5.0"
diff --git a/crates/cli/Cargo.toml b/crates/cli/Cargo.toml
index 23edd825..d823016f 100644
--- a/crates/cli/Cargo.toml
+++ b/crates/cli/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "wasm-bindgen-cli"
-version = "0.2.50"
+version = "0.2.51"
 authors = ["The wasm-bindgen Developers"]
 license = "MIT/Apache-2.0"
 repository = "https://github.com/rustwasm/wasm-bindgen/tree/master/crates/cli"
@@ -25,8 +25,8 @@ serde = { version = "1.0", features = ['derive'] }
 serde_derive = "1.0"
 serde_json = "1.0"
 walrus = { version = "0.12.0", features = ['parallel'] }
-wasm-bindgen-cli-support = { path = "../cli-support", version = "=0.2.50" }
-wasm-bindgen-shared = { path = "../shared", version = "=0.2.50" }
+wasm-bindgen-cli-support = { path = "../cli-support", version = "=0.2.51" }
+wasm-bindgen-shared = { path = "../shared", version = "=0.2.51" }
 
 [dev-dependencies]
 assert_cmd = "0.11"
diff --git a/crates/futures/Cargo.toml b/crates/futures/Cargo.toml
index 9bb8a964..0555bfe6 100644
--- a/crates/futures/Cargo.toml
+++ b/crates/futures/Cargo.toml
@@ -7,13 +7,13 @@ license = "MIT/Apache-2.0"
 name = "wasm-bindgen-futures"
 repository = "https://github.com/rustwasm/wasm-bindgen/tree/master/crates/futures"
 readme = "./README.md"
-version = "0.4.0"
+version = "0.4.1"
 edition = "2018"
 
 [dependencies]
 cfg-if = "0.1.9"
-js-sys = { path = "../js-sys", version = '0.3.27' }
-wasm-bindgen = { path = "../..", version = '0.2.50' }
+js-sys = { path = "../js-sys", version = '0.3.28' }
+wasm-bindgen = { path = "../..", version = '0.2.51' }
 
 [target.'cfg(target_feature = "atomics")'.dependencies.web-sys]
 path = "../web-sys"
@@ -24,5 +24,5 @@ features = [
 ]
 
 [target.'cfg(target_arch = "wasm32")'.dev-dependencies]
-wasm-bindgen-test = { path = '../test', version = '0.3.0' }
+wasm-bindgen-test = { path = '../test', version = '0.3.1' }
 futures-channel-preview = { version = "0.3.0-alpha.18" }
diff --git a/crates/js-sys/Cargo.toml b/crates/js-sys/Cargo.toml
index a8735e42..40e34436 100644
--- a/crates/js-sys/Cargo.toml
+++ b/crates/js-sys/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "js-sys"
-version = "0.3.27"
+version = "0.3.28"
 authors = ["The wasm-bindgen Developers"]
 readme = "./README.md"
 categories = ["wasm"]
@@ -19,8 +19,8 @@ test = false
 doctest = false
 
 [dependencies]
-wasm-bindgen = { path = "../..", version = "0.2.50" }
+wasm-bindgen = { path = "../..", version = "0.2.51" }
 
 [target.'cfg(target_arch = "wasm32")'.dev-dependencies]
-wasm-bindgen-test = { path = '../test', version = '=0.3.0' }
-wasm-bindgen-futures = { path = '../futures', version = '0.4.0' }
+wasm-bindgen-test = { path = '../test', version = '=0.3.1' }
+wasm-bindgen-futures = { path = '../futures', version = '0.4.1' }
diff --git a/crates/macro-support/Cargo.toml b/crates/macro-support/Cargo.toml
index 74dbfd82..4b59331f 100644
--- a/crates/macro-support/Cargo.toml
+++ b/crates/macro-support/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "wasm-bindgen-macro-support"
-version = "0.2.50"
+version = "0.2.51"
 authors = ["The wasm-bindgen Developers"]
 license = "MIT/Apache-2.0"
 repository = "https://github.com/rustwasm/wasm-bindgen/tree/master/crates/macro-support"
@@ -20,5 +20,5 @@ strict-macro = []
 syn = { version = '1.0', features = ['visit'] }
 quote = '1.0'
 proc-macro2 = "1.0"
-wasm-bindgen-backend = { path = "../backend", version = "=0.2.50" }
-wasm-bindgen-shared = { path = "../shared", version = "=0.2.50" }
+wasm-bindgen-backend = { path = "../backend", version = "=0.2.51" }
+wasm-bindgen-shared = { path = "../shared", version = "=0.2.51" }
diff --git a/crates/macro/Cargo.toml b/crates/macro/Cargo.toml
index 30c9c0be..8d90ede3 100644
--- a/crates/macro/Cargo.toml
+++ b/crates/macro/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "wasm-bindgen-macro"
-version = "0.2.50"
+version = "0.2.51"
 authors = ["The wasm-bindgen Developers"]
 license = "MIT/Apache-2.0"
 repository = "https://github.com/rustwasm/wasm-bindgen/tree/master/crates/macro"
@@ -20,10 +20,10 @@ xxx_debug_only_print_generated_code = []
 strict-macro = ["wasm-bindgen-macro-support/strict-macro"]
 
 [dependencies]
-wasm-bindgen-macro-support = { path = "../macro-support", version = "=0.2.50" }
+wasm-bindgen-macro-support = { path = "../macro-support", version = "=0.2.51" }
 quote = "1.0"
 
 [dev-dependencies]
 trybuild = "1.0"
-wasm-bindgen = { path = "../..", version = "0.2.50", features = ['strict-macro'] }
-wasm-bindgen-futures = { path = "../futures", version = "0.4.0" }
+wasm-bindgen = { path = "../..", version = "0.2.51", features = ['strict-macro'] }
+wasm-bindgen-futures = { path = "../futures", version = "0.4.1" }
diff --git a/crates/multi-value-xform/Cargo.toml b/crates/multi-value-xform/Cargo.toml
index 1e1c2599..5f7141b6 100644
--- a/crates/multi-value-xform/Cargo.toml
+++ b/crates/multi-value-xform/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "wasm-bindgen-multi-value-xform"
-version = "0.2.50"
+version = "0.2.51"
 authors = ["The wasm-bindgen Developers"]
 license = "MIT/Apache-2.0"
 repository = "https://github.com/rustwasm/wasm-bindgen/tree/master/crates/multi-value-xform"
diff --git a/crates/shared/Cargo.toml b/crates/shared/Cargo.toml
index 548a444e..510c1931 100644
--- a/crates/shared/Cargo.toml
+++ b/crates/shared/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "wasm-bindgen-shared"
-version = "0.2.50"
+version = "0.2.51"
 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 e3e6f01d..ad88bfe4 100644
--- a/crates/test-macro/Cargo.toml
+++ b/crates/test-macro/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "wasm-bindgen-test-macro"
-version = "0.3.0"
+version = "0.3.1"
 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 f8d56008..ecf3b7a2 100644
--- a/crates/test/Cargo.toml
+++ b/crates/test/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "wasm-bindgen-test"
-version = "0.3.0"
+version = "0.3.1"
 authors = ["The wasm-bindgen Developers"]
 description = "Internal testing crate for wasm-bindgen"
 license = "MIT/Apache-2.0"
@@ -9,11 +9,11 @@ edition = "2018"
 
 [dependencies]
 console_error_panic_hook = '0.1'
-js-sys = { path = '../js-sys', version = '0.3.27' }
+js-sys = { path = '../js-sys', version = '0.3.28' }
 scoped-tls = "1.0"
-wasm-bindgen = { path = '../..', version = '0.2.50' }
-wasm-bindgen-futures = { path = '../futures', version = '0.4.0' }
-wasm-bindgen-test-macro = { path = '../test-macro', version = '=0.3.0' }
+wasm-bindgen = { path = '../..', version = '0.2.51' }
+wasm-bindgen-futures = { path = '../futures', version = '0.4.1' }
+wasm-bindgen-test-macro = { path = '../test-macro', version = '=0.3.1' }
 
 [lib]
 test = false
diff --git a/crates/threads-xform/Cargo.toml b/crates/threads-xform/Cargo.toml
index bca429c7..53436771 100644
--- a/crates/threads-xform/Cargo.toml
+++ b/crates/threads-xform/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "wasm-bindgen-threads-xform"
-version = "0.2.50"
+version = "0.2.51"
 authors = ["The wasm-bindgen Developers"]
 license = "MIT/Apache-2.0"
 repository = "https://github.com/rustwasm/wasm-bindgen/tree/master/crates/threads-xform"
@@ -14,4 +14,4 @@ edition = "2018"
 [dependencies]
 failure = "0.1"
 walrus = "0.12.0"
-wasm-bindgen-wasm-conventions = { path = "../wasm-conventions", version = "=0.2.50" }
+wasm-bindgen-wasm-conventions = { path = "../wasm-conventions", version = "=0.2.51" }
diff --git a/crates/wasm-conventions/Cargo.toml b/crates/wasm-conventions/Cargo.toml
index 3f4dc059..dd88dce6 100644
--- a/crates/wasm-conventions/Cargo.toml
+++ b/crates/wasm-conventions/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "wasm-bindgen-wasm-conventions"
-version = "0.2.50"
+version = "0.2.51"
 authors = ["The wasm-bindgen developers"]
 license = "MIT/Apache-2.0"
 repository = "https://github.com/rustwasm/wasm-bindgen/tree/master/crates/wasm-conventions"
diff --git a/crates/wasm-interpreter/Cargo.toml b/crates/wasm-interpreter/Cargo.toml
index b935e4ed..af6c6c85 100644
--- a/crates/wasm-interpreter/Cargo.toml
+++ b/crates/wasm-interpreter/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "wasm-bindgen-wasm-interpreter"
-version = "0.2.50"
+version = "0.2.51"
 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 9af4d1fc..3926f007 100644
--- a/crates/web-sys/Cargo.toml
+++ b/crates/web-sys/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "web-sys"
-version = "0.3.27"
+version = "0.3.28"
 authors = ["The wasm-bindgen Developers"]
 readme = "./README.md"
 homepage = "https://rustwasm.github.io/wasm-bindgen/web-sys/index.html"
@@ -22,16 +22,16 @@ test = false
 [build-dependencies]
 env_logger = { version = "0.7.0", optional = true }
 failure = "0.1.2"
-wasm-bindgen-webidl = { path = "../webidl", version = "=0.2.50" }
+wasm-bindgen-webidl = { path = "../webidl", version = "=0.2.51" }
 sourcefile = "0.1"
 
 [dependencies]
-wasm-bindgen = { path = "../..", version = "0.2.50" }
-js-sys = { path = '../js-sys', version = '0.3.27' }
+wasm-bindgen = { path = "../..", version = "0.2.51" }
+js-sys = { path = '../js-sys', version = '0.3.28' }
 
 [target.'cfg(target_arch = "wasm32")'.dev-dependencies]
-wasm-bindgen-test = { path = '../test', version = '0.3.0' }
-wasm-bindgen-futures = { path = '../futures', version = '0.4.0' }
+wasm-bindgen-test = { path = '../test', version = '0.3.1' }
+wasm-bindgen-futures = { path = '../futures', version = '0.4.1' }
 
 # 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 3653d127..f4f5038a 100644
--- a/crates/webidl/Cargo.toml
+++ b/crates/webidl/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "wasm-bindgen-webidl"
-version = "0.2.50"
+version = "0.2.51"
 authors = ["The wasm-bindgen Developers"]
 license = "MIT/Apache-2.0"
 categories = ["wasm"]
@@ -19,5 +19,5 @@ log = "0.4.1"
 proc-macro2 = "1.0"
 quote = '1.0'
 syn = { version = '1.0', features = ['full'] }
-wasm-bindgen-backend = { version = "=0.2.50", path = "../backend" }
+wasm-bindgen-backend = { version = "=0.2.51", path = "../backend" }
 weedle = "0.10"
diff --git a/examples/add/Cargo.toml b/examples/add/Cargo.toml
index ae5efb9c..1e3b8324 100644
--- a/examples/add/Cargo.toml
+++ b/examples/add/Cargo.toml
@@ -8,4 +8,4 @@ edition = "2018"
 crate-type = ["cdylib"]
 
 [dependencies]
-wasm-bindgen = "0.2.50"
+wasm-bindgen = "0.2.51"
diff --git a/examples/canvas/Cargo.toml b/examples/canvas/Cargo.toml
index 77583f5a..6ddcdbfc 100644
--- a/examples/canvas/Cargo.toml
+++ b/examples/canvas/Cargo.toml
@@ -8,8 +8,8 @@ edition = "2018"
 crate-type = ["cdylib"]
 
 [dependencies]
-js-sys = "0.3.27"
-wasm-bindgen = "0.2.50"
+js-sys = "0.3.28"
+wasm-bindgen = "0.2.51"
 
 [dependencies.web-sys]
 version = "0.3.4"
diff --git a/examples/char/Cargo.toml b/examples/char/Cargo.toml
index 3d07b782..a1026503 100644
--- a/examples/char/Cargo.toml
+++ b/examples/char/Cargo.toml
@@ -8,4 +8,4 @@ edition = "2018"
 crate-type = ["cdylib"]
 
 [dependencies]
-wasm-bindgen = "0.2.50"
+wasm-bindgen = "0.2.51"
diff --git a/examples/closures/Cargo.toml b/examples/closures/Cargo.toml
index c2bc743a..9d6835e1 100644
--- a/examples/closures/Cargo.toml
+++ b/examples/closures/Cargo.toml
@@ -8,8 +8,8 @@ edition = "2018"
 crate-type = ["cdylib"]
 
 [dependencies]
-wasm-bindgen = "0.2.50"
-js-sys = "0.3.27"
+wasm-bindgen = "0.2.51"
+js-sys = "0.3.28"
 
 [dependencies.web-sys]
 version = "0.3.4"
diff --git a/examples/console_log/Cargo.toml b/examples/console_log/Cargo.toml
index 75b61da9..ed3bd056 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 = "0.2.50"
-web-sys = { version = "0.3.27", features = ['console'] }
+wasm-bindgen = "0.2.51"
+web-sys = { version = "0.3.28", features = ['console'] }
diff --git a/examples/dom/Cargo.toml b/examples/dom/Cargo.toml
index 1d38b46e..5f85176a 100644
--- a/examples/dom/Cargo.toml
+++ b/examples/dom/Cargo.toml
@@ -8,7 +8,7 @@ edition = "2018"
 crate-type = ["cdylib"]
 
 [dependencies]
-wasm-bindgen = "0.2.50"
+wasm-bindgen = "0.2.51"
 
 [dependencies.web-sys]
 version = "0.3.4"
diff --git a/examples/duck-typed-interfaces/Cargo.toml b/examples/duck-typed-interfaces/Cargo.toml
index fa3ac319..b7a2b570 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 = "0.2.50"
+wasm-bindgen = "0.2.51"
diff --git a/examples/fetch/Cargo.toml b/examples/fetch/Cargo.toml
index a76b418f..f8ef6781 100644
--- a/examples/fetch/Cargo.toml
+++ b/examples/fetch/Cargo.toml
@@ -8,9 +8,9 @@ edition = "2018"
 crate-type = ["cdylib"]
 
 [dependencies]
-wasm-bindgen = { version = "0.2.50", features = ["serde-serialize"]  }
-js-sys = "0.3.27"
-wasm-bindgen-futures = "0.4.0"
+wasm-bindgen = { version = "0.2.51", features = ["serde-serialize"]  }
+js-sys = "0.3.28"
+wasm-bindgen-futures = "0.4.1"
 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 afb5ef4f..05a448c4 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 = "0.2.50"
+wasm-bindgen = "0.2.51"
diff --git a/examples/hello_world/Cargo.toml b/examples/hello_world/Cargo.toml
index cffc150e..edc77b56 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 = "0.2.50"
+wasm-bindgen = "0.2.51"
diff --git a/examples/import_js/crate/Cargo.toml b/examples/import_js/crate/Cargo.toml
index 0eeceb91..5b2d42f5 100644
--- a/examples/import_js/crate/Cargo.toml
+++ b/examples/import_js/crate/Cargo.toml
@@ -8,4 +8,4 @@ edition = "2018"
 crate-type = ["cdylib"]
 
 [dependencies]
-wasm-bindgen = "0.2.50"
+wasm-bindgen = "0.2.51"
diff --git a/examples/julia_set/Cargo.toml b/examples/julia_set/Cargo.toml
index deb9f94e..6dbedf3c 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 = "0.2.50"
+wasm-bindgen = "0.2.51"
 
 [dependencies.web-sys]
 version = "0.3.4"
diff --git a/examples/paint/Cargo.toml b/examples/paint/Cargo.toml
index 2957c628..14f383b2 100644
--- a/examples/paint/Cargo.toml
+++ b/examples/paint/Cargo.toml
@@ -8,8 +8,8 @@ edition = "2018"
 crate-type = ["cdylib"]
 
 [dependencies]
-js-sys = "0.3.27"
-wasm-bindgen = "0.2.50"
+js-sys = "0.3.28"
+wasm-bindgen = "0.2.51"
 
 [dependencies.web-sys]
 version = "0.3.4"
diff --git a/examples/performance/Cargo.toml b/examples/performance/Cargo.toml
index fcb035f5..a58b63f8 100644
--- a/examples/performance/Cargo.toml
+++ b/examples/performance/Cargo.toml
@@ -8,7 +8,7 @@ edition = "2018"
 crate-type = ["cdylib"]
 
 [dependencies]
-wasm-bindgen = "0.2.50"
+wasm-bindgen = "0.2.51"
 humantime = "1"
 
 [dependencies.web-sys]
diff --git a/examples/raytrace-parallel/Cargo.toml b/examples/raytrace-parallel/Cargo.toml
index a3612989..bc1138a6 100644
--- a/examples/raytrace-parallel/Cargo.toml
+++ b/examples/raytrace-parallel/Cargo.toml
@@ -9,13 +9,13 @@ crate-type = ["cdylib"]
 
 [dependencies]
 console_error_panic_hook = "0.1"
-js-sys = "0.3.27"
+js-sys = "0.3.28"
 rayon = "1.1.0"
 rayon-core = "1.5.0"
 raytracer = { git = 'https://github.com/alexcrichton/raytracer', branch = 'update-deps' }
 futures-channel-preview = "0.3.0-alpha.18"
-wasm-bindgen = { version = "0.2.50", features = ['serde-serialize'] }
-wasm-bindgen-futures = "0.4.0"
+wasm-bindgen = { version = "0.2.51", features = ['serde-serialize'] }
+wasm-bindgen-futures = "0.4.1"
 
 [dependencies.web-sys]
 version = "0.3.23"
diff --git a/examples/request-animation-frame/Cargo.toml b/examples/request-animation-frame/Cargo.toml
index 0ca11c5b..e39b7b9e 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 = "0.2.50"
+wasm-bindgen = "0.2.51"
 
 [dependencies.web-sys]
 version = "0.3.4"
diff --git a/examples/todomvc/Cargo.toml b/examples/todomvc/Cargo.toml
index b7bbe3d9..981f1279 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 = "0.3.27"
-wasm-bindgen = "0.2.50"
+js-sys = "0.3.28"
+wasm-bindgen = "0.2.51"
 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 30a52175..d5322666 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 = "0.2.50"
-js-sys = "0.3.27"
+wasm-bindgen = "0.2.51"
+js-sys = "0.3.28"
diff --git a/examples/wasm2js/Cargo.toml b/examples/wasm2js/Cargo.toml
index ae6709c1..5aef7e6a 100644
--- a/examples/wasm2js/Cargo.toml
+++ b/examples/wasm2js/Cargo.toml
@@ -8,4 +8,4 @@ edition = "2018"
 crate-type = ["cdylib"]
 
 [dependencies]
-wasm-bindgen = "0.2.50"
+wasm-bindgen = "0.2.51"
diff --git a/examples/webaudio/Cargo.toml b/examples/webaudio/Cargo.toml
index 09f815a8..751eced8 100644
--- a/examples/webaudio/Cargo.toml
+++ b/examples/webaudio/Cargo.toml
@@ -8,7 +8,7 @@ edition = "2018"
 crate-type = ["cdylib"]
 
 [dependencies]
-wasm-bindgen = "0.2.50"
+wasm-bindgen = "0.2.51"
 
 [dependencies.web-sys]
 version = "0.3.4"
diff --git a/examples/webgl/Cargo.toml b/examples/webgl/Cargo.toml
index 84f5bded..c1909f8b 100644
--- a/examples/webgl/Cargo.toml
+++ b/examples/webgl/Cargo.toml
@@ -8,8 +8,8 @@ edition = "2018"
 crate-type = ["cdylib"]
 
 [dependencies]
-js-sys = "0.3.27"
-wasm-bindgen = "0.2.50"
+js-sys = "0.3.28"
+wasm-bindgen = "0.2.51"
 
 [dependencies.web-sys]
 version = "0.3.4"
diff --git a/examples/websockets/Cargo.toml b/examples/websockets/Cargo.toml
index 31439640..9aada369 100644
--- a/examples/websockets/Cargo.toml
+++ b/examples/websockets/Cargo.toml
@@ -8,7 +8,7 @@ edition = "2018"
 crate-type = ["cdylib"]
 
 [dependencies]
-wasm-bindgen = "0.2.50"
+wasm-bindgen = "0.2.51"
 
 [dependencies.web-sys]
 version = "0.3.22"
diff --git a/examples/without-a-bundler/Cargo.toml b/examples/without-a-bundler/Cargo.toml
index dd1dd1db..987b5a59 100644
--- a/examples/without-a-bundler/Cargo.toml
+++ b/examples/without-a-bundler/Cargo.toml
@@ -8,7 +8,7 @@ edition = "2018"
 crate-type = ["cdylib"]
 
 [dependencies]
-wasm-bindgen = "0.2.50"
+wasm-bindgen = "0.2.51"
 
 [dependencies.web-sys]
 version = "0.3.4"