diff --git a/Cargo.lock b/Cargo.lock
index 71bef0aaf..348b948ef 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -5694,9 +5694,9 @@ checksum = "56dee185309b50d1f11bfedef0fe6d036842e3fb77413abef29f8f8d1c5d4c1c"
 
 [[package]]
 name = "uint"
-version = "0.9.3"
+version = "0.9.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "12f03af7ccf01dd611cc450a0d10dbc9b745770d096473e2faf0ca6e2d66d1e0"
+checksum = "a45526d29728d135c2900b0d30573fe3ee79fceb12ef534c7bb30e810a91b601"
 dependencies = [
  "byteorder",
  "crunchy",
diff --git a/zebra-chain/Cargo.toml b/zebra-chain/Cargo.toml
index c1705cad9..e06f19b85 100644
--- a/zebra-chain/Cargo.toml
+++ b/zebra-chain/Cargo.toml
@@ -37,7 +37,7 @@ ripemd = "0.1.1"
 secp256k1 = { version = "0.21.3", features = ["serde"] }
 sha2 = { version = "0.9.9", features = ["compress"] }
 subtle = "2.4.1"
-uint = "0.9.1"
+uint = "0.9.4"
 x25519-dalek = { version = "1.2.0", features = ["serde"] }
 
 # ECC deps