diff --git a/Cargo.lock b/Cargo.lock
index eaec739..08bd34a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -463,18 +463,18 @@ checksum = "61697e0a1c7e512e84a621326239844a24d8207b4669b41bc18b32ea5cbf988b"
 
 [[package]]
 name = "serde"
-version = "1.0.208"
+version = "1.0.213"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cff085d2cb684faa248efb494c39b68e522822ac0de72ccf08109abde717cfb2"
+checksum = "3ea7893ff5e2466df8d720bb615088341b295f849602c6956047f8f80f0e9bc1"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.208"
+version = "1.0.213"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "24008e81ff7613ed8e5ba0cfaf24e2c2f1e5b8a0495711e44fcd4882fca62bcf"
+checksum = "7e85ad2009c50b58e87caa8cd6dac16bdf511bbfb7af6c33df902396aa480fa5"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -495,9 +495,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.74"
+version = "2.0.85"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1fceb41e3d546d0bd83421d3409b1460cc7444cd389341a4c880fe7a042cb3d7"
+checksum = "5023162dfcd14ef8f32034d8bcd4cc5ddc61ef7a247c024a33e24e1f24d21b56"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/Cargo.toml b/Cargo.toml
index 8970f26..59582fd 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -29,7 +29,7 @@ members = [
 nom = "7.1.3"
 nom_locate = "4.2.0"
 regex = "1.10.4"
-serde = { version = "1.0.208", features = ["derive"], optional = true }
+serde = { version = "1.0.213", features = ["derive"], optional = true }
 
 [dev-dependencies]
 criterion = { version = "0.5", features = ["html_reports"] }