diff --git a/Cargo.lock b/Cargo.lock
index fae4794d9478..373f65885b90 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3756,8 +3756,6 @@ dependencies = [
 [[package]]
 name = "prost-derive"
 version = "0.6.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "537aa19b95acde10a12fec4301466386f757403de4cd4e5b4fa78fb5ecb18f72"
 dependencies = [
  "anyhow",
  "itertools",
diff --git a/Cargo.toml b/Cargo.toml
index 171de100291a..856a0e0efdf0 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -81,3 +81,6 @@ rev = "b7cfd39b531680217537cfcf5294a22077a0a58d"
 [patch.crates-io.cranelift-wasm]
 git = "https://github.com/bytecodealliance/wasmtime"
 rev = "b7cfd39b531680217537cfcf5294a22077a0a58d"
+
+[patch.crates-io.prost-derive]
+path = "third_party/rust/prost-derive"
diff --git a/third_party/rust/prost-derive/src/lib.rs b/third_party/rust/prost-derive/src/lib.rs
index c3596212a507..c7d18d592c13 100644
--- a/third_party/rust/prost-derive/src/lib.rs
+++ b/third_party/rust/prost-derive/src/lib.rs
@@ -104,11 +104,8 @@ fn try_message(input: TokenStream) -> Result<TokenStream, Error> {
 
     let merge = fields.iter().map(|&(ref field_ident, ref field)| {
         let merge = field.merge(quote!(value));
-        let tags = field
-            .tags()
-            .into_iter()
-            .map(|tag| quote!(#tag))
-            .intersperse(quote!(|));
+        let tags = field.tags().into_iter().map(|tag| quote!(#tag));
+        let tags = Itertools::intersperse(tags, quote!(|));
         quote! {
             #(#tags)* => {
                 let mut value = &mut self.#field_ident;
-- 
2.33.0