diff --git a/lang/rust/Cargo.lock b/lang/rust/Cargo.lock
index d3814d4d523..52470c36045 100644
--- a/lang/rust/Cargo.lock
+++ b/lang/rust/Cargo.lock
@@ -1210,9 +1210,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.48"
+version = "2.0.49"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0f3531638e407dfc0814761abb7c00a5b54992b849452a0646b7f65c9f770f3f"
+checksum = "915aea9e586f80826ee59f8453c1101f9d1c4b3964cd2460185ee8e299ada496"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/lang/rust/avro_derive/Cargo.toml b/lang/rust/avro_derive/Cargo.toml
index 09bed9f742d..e77940ab225 100644
--- a/lang/rust/avro_derive/Cargo.toml
+++ b/lang/rust/avro_derive/Cargo.toml
@@ -37,7 +37,7 @@ darling = { default-features = false, version = "0.20.6" }
 proc-macro2 = { default-features = false, version = "1.0.78" }
 quote = { default-features = false, version = "1.0.35" }
 serde_json = { workspace = true }
-syn = { default-features = false, version = "2.0.48", features = ["full", "fold"] }
+syn = { default-features = false, version = "2.0.49", features = ["full", "fold"] }
 
 [dev-dependencies]
 apache-avro = { default-features = false, path = "../avro", features = ["derive"] }