diff --git a/Cargo.lock b/Cargo.lock
index 63db724..2b47b62 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -204,9 +204,9 @@ dependencies = [
 
 [[package]]
 name = "faster-hex"
-version = "0.8.1"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "239f7bfb930f820ab16a9cd95afc26f88264cf6905c960b340a615384aa3338a"
+checksum = "a2a2b11eda1d40935b26cf18f6833c526845ae8c41e58d09af6adeb6f0269183"
 dependencies = [
  "serde",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index 4985591..c50b13e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -29,7 +29,7 @@ serde = { version = "1.0", optional = true, default-features = false }
 
 [dev-dependencies]
 criterion  = { version = "0.5" }
-faster-hex = { version = "0.8" }
+faster-hex = { version = "0.9" }
 hex        = { version = "0.4" }
 rustc-hex  = { version = "2.1" }
 serde      = { version = "1.0", features = ["derive"] }