diff --git a/Cargo.lock b/Cargo.lock
index cbeac30c..2657e71a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -336,18 +336,18 @@ dependencies = [
 
 [[package]]
 name = "serde"
-version = "1.0.202"
+version = "1.0.203"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "226b61a0d411b2ba5ff6d7f73a476ac4f8bb900373459cd00fab8512828ba395"
+checksum = "7253ab4de971e72fb7be983802300c30b5a7f0c2e56fab8abfc6a214307c0094"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.202"
+version = "1.0.203"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6048858004bcff69094cd972ed40a32500f153bd3be9f716b2eed2e8217c4838"
+checksum = "500cbc0ebeb6f46627f50f3f5811ccf6bf00643be300b4c3eabc0ef55dc5b5ba"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/harness-support/rust/Cargo.toml b/harness-support/rust/Cargo.toml
index e833d322..8ee2a196 100644
--- a/harness-support/rust/Cargo.toml
+++ b/harness-support/rust/Cargo.toml
@@ -9,6 +9,6 @@ regress = "0.9.1"
 # TODO: Replace with upstream once merged:
 # https://github.com/Marwes/schemafy/pull/76
 # schemafy = { git = "https://github.com/woodruffw-forks/schemafy", rev = "de28e87" }
-serde = { version = "1.0.202", features = ["derive"] }
+serde = { version = "1.0.203", features = ["derive"] }
 serde_json = "1.0.117"
 typify = "0.1.0"