diff --git a/crates/wasm-bindgen-cli-support/Cargo.toml b/crates/wasm-bindgen-cli-support/Cargo.toml
index 190e15fe..c7aeaabe 100644
--- a/crates/wasm-bindgen-cli-support/Cargo.toml
+++ b/crates/wasm-bindgen-cli-support/Cargo.toml
@@ -6,7 +6,7 @@ authors = ["Alex Crichton <alex@alexcrichton.com>"]
 [dependencies]
 base64 = "0.9"
 failure = "0.1"
-parity-wasm = "0.23"
+parity-wasm = "0.27"
 serde_json = "1.0"
 wasm-bindgen-shared = { path = "../wasm-bindgen-shared" }
 wasm-gc-api = "0.1"
diff --git a/crates/wasm-bindgen-cli/Cargo.toml b/crates/wasm-bindgen-cli/Cargo.toml
index e4d1cfe6..b161bc35 100644
--- a/crates/wasm-bindgen-cli/Cargo.toml
+++ b/crates/wasm-bindgen-cli/Cargo.toml
@@ -5,7 +5,7 @@ authors = ["Alex Crichton <alex@alexcrichton.com>"]
 
 [dependencies]
 docopt = "0.8"
-parity-wasm = "0.23"
+parity-wasm = "0.27"
 serde = "1.0"
 serde_derive = "1.0"
 wasm-bindgen-cli-support = { path = "../wasm-bindgen-cli-support" }