diff --git a/shim/third-party/rust/Cargo.toml b/shim/third-party/rust/Cargo.toml
index 88ba5dda90f..e0e31bf578a 100644
--- a/shim/third-party/rust/Cargo.toml
+++ b/shim/third-party/rust/Cargo.toml
@@ -209,6 +209,7 @@ tracing = "0.1.22"
 tracing-subscriber = { version = "0.3", features = ["env-filter"] }
 triomphe = "0.1.11"
 trybuild = "1.0.56"
+typed-arena = "2.0"
 twox-hash = "1.6.1"
 unicode-segmentation = "1.7"
 uuid = { version = "1.2", features = ["v4"] }