diff --git a/Cargo.lock b/Cargo.lock
index 24194f1..5f66891 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -148,9 +148,9 @@ checksum = "f46ad14479a25103f283c0f10005961cf086d8dc42205bb44c46ac563475dca6"
 
 [[package]]
 name = "const-hex"
-version = "1.17.0"
+version = "1.18.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3bb320cac8a0750d7f25280aa97b09c26edfe161164238ecbbb31092b079e735"
+checksum = "af9a108e542ddf1de36743a6126e94d6659dccda38fc8a77e80b915102ac784a"
 dependencies = [
  "cfg-if",
  "cpufeatures",
diff --git a/Cargo.toml b/Cargo.toml
index 4ff5702..1177070 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -46,7 +46,7 @@ thiserror   = { version = "2.0", default-features = false }
 
 [dev-dependencies]
 # crates.io
-const-hex  = { version = "1.17" }
+const-hex  = { version = "1.18" }
 criterion  = { version = "0.8" }
 faster-hex = { version = "0.10" }
 hex_crate  = { package = "hex", version = "0.4" }