diff --git a/Cargo.lock b/Cargo.lock
index 15ffdce..d85200f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -336,18 +336,18 @@ dependencies = [
 
 [[package]]
 name = "serde"
-version = "1.0.215"
+version = "1.0.216"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6513c1ad0b11a9376da888e3e0baa0077f1aed55c17f50e7b2397136129fb88f"
+checksum = "0b9781016e935a97e8beecf0c933758c97a5520d32930e460142b4cd80c6338e"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.215"
+version = "1.0.216"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ad1e866f866923f252f05c889987993144fb74e722403468a4ebd70c3cd756c0"
+checksum = "46f859dbbf73865c6627ed570e78961cd3ac92407a2d117204c49232485da55e"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/harness-support/rust/Cargo.toml b/harness-support/rust/Cargo.toml
index 6166462..549240c 100644
--- a/harness-support/rust/Cargo.toml
+++ b/harness-support/rust/Cargo.toml
@@ -9,6 +9,6 @@ regress = "0.10.1"
 # 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 = "1.0.215", features = ["derive"] }
+serde = { version = "1.0.216", features = ["derive"] }
 serde_json = "1.0.133"
 typify = "0.2.0"