diff --git a/third-party/Cargo.lock b/third-party/Cargo.lock
index d2e109171..145ad2aea 100644
--- a/third-party/Cargo.lock
+++ b/third-party/Cargo.lock
@@ -52,6 +52,12 @@ dependencies = [
  "unicode-width",
 ]
 
+[[package]]
+name = "foldhash"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f81ec6369c545a7d40e4589b5597581fa1c441fe1cce96dd1de43159910a36a2"
+
 [[package]]
 name = "proc-macro2"
 version = "1.0.89"
@@ -115,6 +121,7 @@ dependencies = [
  "cc",
  "clap",
  "codespan-reporting",
+ "foldhash",
  "proc-macro2",
  "quote",
  "rustversion",
diff --git a/third-party/Cargo.toml b/third-party/Cargo.toml
index 5f57e55f8..199fdfe48 100644
--- a/third-party/Cargo.toml
+++ b/third-party/Cargo.toml
@@ -10,6 +10,7 @@ rust-version = "1.77"
 cc = "1.0.83"
 clap = { version = "4", default-features = false, features = ["error-context", "help", "std", "usage"] }
 codespan-reporting = "0.11.1"
+foldhash = "0.1"
 proc-macro2 = { version = "1.0.58", features = ["span-locations"] }
 quote = "1.0.4"
 rustversion = "1"