diff --git a/Cargo.lock b/Cargo.lock
index 986150e..a8ec3af 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -126,9 +126,9 @@ checksum = "98cc8fbded0c607b7ba9dd60cd98df59af97e84d24e49c8557331cfc26d301ce"
 
 [[package]]
 name = "const-hex"
-version = "1.12.0"
+version = "1.13.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "94fb8a24a26d37e1ffd45343323dc9fe6654ceea44c12f2fcb3d7ac29e610bc6"
+checksum = "0121754e84117e65f9d90648ee6aa4882a6e63110307ab73967a4c5e7e69e586"
 dependencies = [
  "cfg-if",
  "cpufeatures",
diff --git a/Cargo.toml b/Cargo.toml
index ce11747..c13ecde 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -28,7 +28,7 @@ inherits    = "dev"
 serde = { version = "1.0", optional = true, default-features = false }
 
 [dev-dependencies]
-const-hex  = { version = "1.12" }
+const-hex  = { version = "1.13" }
 criterion  = { version = "0.5" }
 faster-hex = { version = "0.10" }
 hex        = { version = "0.4" }