diff --git a/Cargo.lock b/Cargo.lock
index a2233cac..5fda3142 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3955,9 +3955,9 @@ checksum = "373c8a200f9e67a0c95e62a4f52fbf80c23b4381c05a17845531982fa99e6b33"
 
 [[package]]
 name = "uint"
-version = "0.9.0"
+version = "0.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e11fe9a9348741cf134085ad57c249508345fe16411b3d7fb4ff2da2f1d6382e"
+checksum = "6470ab50f482bde894a037a57064480a246dbfdd5960bd65a44824693f08da5f"
 dependencies = [
  "byteorder",
  "crunchy 0.2.2",
diff --git a/zebra-chain/Cargo.toml b/zebra-chain/Cargo.toml
index 572acf02..aa3e59ac 100644
--- a/zebra-chain/Cargo.toml
+++ b/zebra-chain/Cargo.toml
@@ -44,7 +44,7 @@ x25519-dalek = { version = "1.1", features = ["serde"] }
 zcash_history = { git = "https://github.com/zcash/librustzcash.git", rev = "0c3ed159985affa774e44d10172d4471d798a85a" }
 zcash_primitives = { git = "https://github.com/zcash/librustzcash.git", rev = "0c3ed159985affa774e44d10172d4471d798a85a" }
 bigint = "4"
-uint = "0.9.0"
+uint = "0.9.1"
 
 proptest = { version = "0.10", optional = true }
 proptest-derive = { version = "0.3.0", optional = true }