diff --git a/Cargo.lock b/Cargo.lock
index f14a3ba92..d65994de2 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1197,6 +1197,16 @@ dependencies = [
  "subtle 2.3.0",
 ]
 
+[[package]]
+name = "crypto-mac"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4857fd85a0c34b3c3297875b747c1e02e06b6a0ea32dd892d8192b9ce0813ea6"
+dependencies = [
+ "generic-array 0.14.4",
+ "subtle 2.3.0",
+]
+
 [[package]]
 name = "csv"
 version = "1.1.3"
@@ -3580,7 +3590,7 @@ dependencies = [
  "aes 0.4.0",
  "chrono",
  "cmac",
- "crypto-mac 0.8.0",
+ "crypto-mac 0.10.0",
  "log",
  "ra-common",
  "ra-sp-client",
diff --git a/chain-tx-enclave-next/enclave-ra/ra-enclave/Cargo.toml b/chain-tx-enclave-next/enclave-ra/ra-enclave/Cargo.toml
index a3ab475d4..ca120c4af 100644
--- a/chain-tx-enclave-next/enclave-ra/ra-enclave/Cargo.toml
+++ b/chain-tx-enclave-next/enclave-ra/ra-enclave/Cargo.toml
@@ -11,7 +11,7 @@ edition = "2018"
 aes = "0.4"
 chrono = "0.4"
 cmac = "0.3"
-crypto-mac = { version = "0.8", features = ["std"] }
+crypto-mac = { version = "0.10", features = ["std"] }
 log = "0.4"
 rcgen = "0.8"
 ring = "0.16.15"