diff --git a/crates/webidl/Cargo.toml b/crates/webidl/Cargo.toml
index 3f53f4a6..2be7b608 100644
--- a/crates/webidl/Cargo.toml
+++ b/crates/webidl/Cargo.toml
@@ -20,4 +20,4 @@ proc-macro2 = "0.4.8"
 quote = '0.6'
 syn = { version = '0.15', features = ['full'] }
 wasm-bindgen-backend = { version = "=0.2.47", path = "../backend" }
-weedle = "0.9"
+weedle = "0.10"