diff --git a/Cargo.lock b/Cargo.lock
index dfc859f..fe3db03 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -223,9 +223,12 @@ dependencies = [
 
 [[package]]
 name = "faster-hex"
-version = "0.6.1"
+version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "51e2ce894d53b295cf97b05685aa077950ff3e8541af83217fc720a6437169f8"
+checksum = "e9042d281a5eec0f2387f8c3ea6c4514e2cf2732c90a85aaf383b761ee3b290d"
+dependencies = [
+ "serde",
+]
 
 [[package]]
 name = "half"
diff --git a/Cargo.toml b/Cargo.toml
index 61ac79d..0d09052 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -25,7 +25,7 @@ serde = { version = "1.0", optional = true, default-features = false }
 
 [dev-dependencies]
 criterion  = { version = "0.5" }
-faster-hex = { version = "0.6" }
+faster-hex = { version = "0.8" }
 hex        = { version = "0.4" }
 rustc-hex  = { version = "2.1" }
 serde      = { version = "1.0", features = ["derive"] }