diff --git a/Cargo.lock b/Cargo.lock
index 4b5816fad60709..fcfff17cca173d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,5 +1,7 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
+version = 3
+
 [[package]]
 name = "Inflector"
 version = "0.11.4"
@@ -810,7 +812,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b584a330336237c1eecd3e94266efb216c56ed91225d634cb2991c5f3fd1aeab"
 dependencies = [
  "generic-array 0.14.3",
- "subtle 2.2.2",
+ "subtle 2.4.1",
 ]
 
 [[package]]
@@ -820,7 +822,17 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4857fd85a0c34b3c3297875b747c1e02e06b6a0ea32dd892d8192b9ce0813ea6"
 dependencies = [
  "generic-array 0.14.3",
- "subtle 2.2.2",
+ "subtle 2.4.1",
+]
+
+[[package]]
+name = "crypto-mac"
+version = "0.11.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b1d1a86f49236c215f271d40892d5fc950490551400b02ef360692c29815c714"
+dependencies = [
+ "generic-array 0.14.3",
+ "subtle 2.4.1",
 ]
 
 [[package]]
@@ -864,7 +876,7 @@ dependencies = [
  "byteorder",
  "digest 0.8.1",
  "rand_core 0.5.1",
- "subtle 2.2.2",
+ "subtle 2.4.1",
  "zeroize",
 ]
 
@@ -877,7 +889,7 @@ dependencies = [
  "byteorder",
  "digest 0.9.0",
  "rand_core 0.5.1",
- "subtle 2.2.2",
+ "subtle 2.4.1",
  "zeroize",
 ]
 
@@ -1619,11 +1631,11 @@ dependencies = [
 
 [[package]]
 name = "hmac"
-version = "0.10.1"
+version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c1441c6b1e930e2817404b5046f1f989899143a12bf92de603b69f4e0aee1e15"
+checksum = "2a2a2320eb7ec0ebe8da8f744d7812d9fc4cb4d09344ac01898dbcb6a20ae69b"
 dependencies = [
- "crypto-mac 0.10.0",
+ "crypto-mac 0.11.1",
  "digest 0.9.0",
 ]
 
@@ -2146,7 +2158,7 @@ dependencies = [
  "hmac-drbg",
  "rand 0.7.3",
  "sha2 0.8.2",
- "subtle 2.2.2",
+ "subtle 2.4.1",
  "typenum",
 ]
 
@@ -5061,7 +5073,7 @@ dependencies = [
  "ed25519-dalek",
  "generic-array 0.14.3",
  "hex",
- "hmac 0.10.1",
+ "hmac 0.11.0",
  "itertools",
  "lazy_static",
  "libsecp256k1",
@@ -5607,9 +5619,9 @@ checksum = "2d67a5a62ba6e01cb2192ff309324cb4875d0c451d55fe2319433abe7a05a8ee"
 
 [[package]]
 name = "subtle"
-version = "2.2.2"
+version = "2.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7c65d530b10ccaeac294f349038a597e435b18fb456aadd0840a623f83b9e941"
+checksum = "6bdef32e8150c2a081110b42772ffe7d7c9032b606bc226c8260fd97e0976601"
 
 [[package]]
 name = "symlink"
diff --git a/sdk/Cargo.toml b/sdk/Cargo.toml
index 988f1aedb88a19..efbd0673db3e40 100644
--- a/sdk/Cargo.toml
+++ b/sdk/Cargo.toml
@@ -44,7 +44,7 @@ chrono = { version = "0.4", optional = true }
 curve25519-dalek = { version = "2.1.0", optional = true }
 generic-array = { version = "0.14.3", default-features = false, features = ["serde", "more_lengths"], optional = true }
 hex = "0.4.2"
-hmac = "0.10.1"
+hmac = "0.11.0"
 itertools =  "0.9.0"
 lazy_static = "1.4.0"
 log = "0.4.11"