diff --git a/Cargo.lock b/Cargo.lock
index 02631661..ee971b50 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2365,7 +2365,7 @@ dependencies = [
  "futures-channel",
  "futures-io",
  "futures-util",
- "idna 1.0.3",
+ "idna",
  "ipnet",
  "once_cell",
  "rand",
@@ -2787,16 +2787,6 @@ version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b9e0384b61958566e926dc50660321d12159025e767c18e043daf26b70104c39"
 
-[[package]]
-name = "idna"
-version = "0.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "634d9b1461af396cad843f47fdba5597a4f9e6ddd4bfb6ff5d85028c25cb12f6"
-dependencies = [
- "unicode-bidi",
- "unicode-normalization",
-]
-
 [[package]]
 name = "idna"
 version = "1.0.3"
@@ -2963,7 +2953,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fc2f4eb4bc735547cfed7c0a4922cbd04a4655978c09b54f1f7b228750664c34"
 dependencies = [
  "cfg-if 1.0.0",
- "windows-targets 0.48.5",
+ "windows-targets 0.52.6",
 ]
 
 [[package]]
@@ -3690,27 +3680,25 @@ dependencies = [
 ]
 
 [[package]]
-name = "proc-macro-error"
-version = "1.0.4"
+name = "proc-macro-error-attr2"
+version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "da25490ff9892aab3fcf7c36f08cfb902dd3e71ca0f9f9517bea02a73a5ce38c"
+checksum = "96de42df36bb9bba5542fe9f1a054b8cc87e172759a1868aa05c1f3acc89dfc5"
 dependencies = [
- "proc-macro-error-attr",
  "proc-macro2",
  "quote",
- "syn 1.0.109",
- "version_check",
 ]
 
 [[package]]
-name = "proc-macro-error-attr"
-version = "1.0.4"
+name = "proc-macro-error2"
+version = "2.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a1be40180e52ecc98ad80b184934baf3d0d29f979574e439af5a55274b35f869"
+checksum = "11ec05c52be0a07b08061f7dd003e7d7092e0472bc731b4af7bb1ef876109802"
 dependencies = [
+ "proc-macro-error-attr2",
  "proc-macro2",
  "quote",
- "version_check",
+ "syn 2.0.93",
 ]
 
 [[package]]
@@ -5545,7 +5533,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "32f8b686cadd1473f4bd0117a5d28d36b1ade384ea9b5069a1c40aefed7fda60"
 dependencies = [
  "form_urlencoded",
- "idna 1.0.3",
+ "idna",
  "percent-encoding",
  "serde",
 ]
@@ -5580,11 +5568,11 @@ dependencies = [
 
 [[package]]
 name = "validator"
-version = "0.18.1"
+version = "0.20.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "db79c75af171630a3148bd3e6d7c4f42b6a9a014c2945bc5ed0020cbb8d9478e"
+checksum = "43fb22e1a008ece370ce08a3e9e4447a910e92621bb49b85d6e48a45397e7cfa"
 dependencies = [
- "idna 0.5.0",
+ "idna",
  "once_cell",
  "regex",
  "serde",
@@ -5596,13 +5584,13 @@ dependencies = [
 
 [[package]]
 name = "validator_derive"
-version = "0.18.2"
+version = "0.20.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "df0bcf92720c40105ac4b2dda2a4ea3aa717d4d6a862cc217da653a4bd5c6b10"
+checksum = "b7df16e474ef958526d1205f6dda359fdfab79d9aa6d54bafcb92dcd07673dca"
 dependencies = [
  "darling",
  "once_cell",
- "proc-macro-error",
+ "proc-macro-error2",
  "proc-macro2",
  "quote",
  "syn 2.0.93",
diff --git a/examples/validator/Cargo.toml b/examples/validator/Cargo.toml
index 601e0e2c..e7970958 100644
--- a/examples/validator/Cargo.toml
+++ b/examples/validator/Cargo.toml
@@ -11,7 +11,7 @@ thiserror = "1.0.29"
 tokio = { version = "1.0", features = ["full"] }
 tracing = "0.1"
 tracing-subscriber = { version = "0.3", features = ["env-filter"] }
-validator = { version = "0.18.1", features = ["derive"] }
+validator = { version = "0.20.0", features = ["derive"] }
 
 [dev-dependencies]
 http-body-util = "0.1.0"