diff --git a/lang/rust/Cargo.lock b/lang/rust/Cargo.lock
index b001a81d19c..4095ec43d63 100644
--- a/lang/rust/Cargo.lock
+++ b/lang/rust/Cargo.lock
@@ -955,18 +955,18 @@ checksum = "ea6a9290e3c9cf0f18145ef7ffa62d68ee0bf5fcd651017e586dc7fd5da448c2"
 
 [[package]]
 name = "serde"
-version = "1.0.185"
+version = "1.0.186"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "be9b6f69f1dfd54c3b568ffa45c310d6973a5e5148fd40cf515acaf38cf5bc31"
+checksum = "9f5db24220c009de9bd45e69fb2938f4b6d2df856aa9304ce377b3180f83b7c1"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.185"
+version = "1.0.186"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dc59dfdcbad1437773485e0367fea4b090a2e0a16d9ffc46af47764536a298ec"
+checksum = "5ad697f7e0b65af4983a4ce8f56ed5b357e8d3c36651bf6a7e13639c17b8e670"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/lang/rust/avro/Cargo.toml b/lang/rust/avro/Cargo.toml
index b358eff642f..af50c2456dd 100644
--- a/lang/rust/avro/Cargo.toml
+++ b/lang/rust/avro/Cargo.toml
@@ -63,7 +63,7 @@ libflate = { default-features = false, version = "2.0.0", features = ["std"] }
 log = { default-features = false, version = "0.4.20" }
 num-bigint = { default-features = false, version = "0.4.4" }
 regex-lite = { default-features = false, version = "0.1.0", features = ["std", "string"] }
-serde = { default-features = false, version = "1.0.185", features = ["derive"] }
+serde = { default-features = false, version = "1.0.186", features = ["derive"] }
 serde_json = { default-features = false, version = "1.0.105", 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 fbef4e16bda..353b87153e1 100644
--- a/lang/rust/avro_derive/Cargo.toml
+++ b/lang/rust/avro_derive/Cargo.toml
@@ -42,4 +42,4 @@ syn = { default-features = false, version = "2.0.29", 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 = "1.0.185", features = ["derive"] }
+serde = { default-features = false, version = "1.0.186", features = ["derive"] }
diff --git a/lang/rust/wasm-demo/Cargo.toml b/lang/rust/wasm-demo/Cargo.toml
index 5f235e6b716..4cb6ecfa352 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 = "1.0.185", features = ["derive"] }
+serde = { default-features = false, version = "1.0.186", features = ["derive"] }
 wasm-bindgen = "0.2.87"
 
 [dev-dependencies]