diff --git a/lang/rust/Cargo.lock b/lang/rust/Cargo.lock
index 30f4b7a71ad..21e4e29d1ee 100644
--- a/lang/rust/Cargo.lock
+++ b/lang/rust/Cargo.lock
@@ -1275,9 +1275,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.63"
+version = "2.0.64"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bf5be731623ca1a1fb7d8be6f261a3be6d3e2337b8a1f97be944d020c8fcb704"
+checksum = "7ad3dee41f36859875573074334c200d1add8e4a87bb37113ebd31d926b7b11f"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/lang/rust/avro_derive/Cargo.toml b/lang/rust/avro_derive/Cargo.toml
index d2c79175cd7..a84c94aa96b 100644
--- a/lang/rust/avro_derive/Cargo.toml
+++ b/lang/rust/avro_derive/Cargo.toml
@@ -37,7 +37,7 @@ darling = { default-features = false, version = "0.20.9" }
 proc-macro2 = { default-features = false, version = "1.0.82" }
 quote = { default-features = false, version = "1.0.36" }
 serde_json = { workspace = true }
-syn = { default-features = false, version = "2.0.63", features = ["full", "fold"] }
+syn = { default-features = false, version = "2.0.64", features = ["full", "fold"] }
 
 [dev-dependencies]
 apache-avro = { default-features = false, path = "../avro", features = ["derive"] }