diff --git a/lang/rust/Cargo.lock b/lang/rust/Cargo.lock
index 3abb3f9ebb4..4e61a50db81 100644
--- a/lang/rust/Cargo.lock
+++ b/lang/rust/Cargo.lock
@@ -882,18 +882,18 @@ checksum = "ea6a9290e3c9cf0f18145ef7ffa62d68ee0bf5fcd651017e586dc7fd5da448c2"
 
 [[package]]
 name = "serde"
-version = "1.0.164"
+version = "1.0.166"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e8c8cf938e98f769bc164923b06dce91cea1751522f46f8466461af04c9027d"
+checksum = "d01b7404f9d441d3ad40e6a636a7782c377d2abdbe4fa2440e2edcc2f4f10db8"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.164"
+version = "1.0.166"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d9735b638ccc51c28bf6914d90a2e9725b377144fc612c49a611fddd1b631d68"
+checksum = "5dd83d6dde2b6b2d466e14d9d1acce8816dedee94f735eac6395808b3483c6d6"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/lang/rust/avro/Cargo.toml b/lang/rust/avro/Cargo.toml
index 4baa2b994ab..0ac9ce9cb6b 100644
--- a/lang/rust/avro/Cargo.toml
+++ b/lang/rust/avro/Cargo.toml
@@ -64,7 +64,7 @@ libflate = { default-features = false, version = "1.2.0" }
 log = { default-features = false, version = "0.4.19" }
 num-bigint = { default-features = false, version = "0.4.3" }
 regex = { default-features = false, version = "1.9.0", features = ["std", "perf"] }
-serde = { default-features = false, version = "1.0.164", features = ["derive"] }
+serde = { default-features = false, version = "1.0.166", features = ["derive"] }
 serde_json = { default-features = false, version = "1.0.99", features = ["std"] }
 snap = { default-features = false, version = "1.1.0", optional = true }
 strum = { default-features = false, version = "0.25.0" }
diff --git a/lang/rust/avro_derive/Cargo.toml b/lang/rust/avro_derive/Cargo.toml
index 5b8df915bcf..9ce725c965d 100644
--- a/lang/rust/avro_derive/Cargo.toml
+++ b/lang/rust/avro_derive/Cargo.toml
@@ -42,4 +42,4 @@ syn = { default-features = false, version = "2.0.23", features = ["full", "fold"
 [dev-dependencies]
 apache-avro = { default-features = false, path = "../avro", features = ["derive"] }
 proptest = { default-features = false, version = "1.2.0", features = ["std"] }
-serde = { default-features = false, version = "1.0.164", features = ["derive"] }
+serde = { default-features = false, version = "1.0.166", features = ["derive"] }
diff --git a/lang/rust/wasm-demo/Cargo.toml b/lang/rust/wasm-demo/Cargo.toml
index 76d2ebb5e93..37b8133bc68 100644
--- a/lang/rust/wasm-demo/Cargo.toml
+++ b/lang/rust/wasm-demo/Cargo.toml
@@ -36,7 +36,7 @@ crate-type = ["cdylib", "rlib"]
 
 [dependencies]
 apache-avro = { path = "../avro" }
-serde = { default-features = false, version = "1.0.164", features = ["derive"] }
+serde = { default-features = false, version = "1.0.166", features = ["derive"] }
 wasm-bindgen = "0.2.87"
 
 [dev-dependencies]