diff --git a/Cargo.lock b/Cargo.lock
index db6edfa81d539..ee7ae20a1cadc 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1520,6 +1520,19 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "curve25519-dalek-ng"
+version = "4.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1c359b7249347e46fb28804470d071c921156ad62b3eef5d34e2ba867533dec8"
+dependencies = [
+ "byteorder",
+ "digest 0.9.0",
+ "rand_core 0.6.2",
+ "subtle-ng",
+ "zeroize",
+]
+
 [[package]]
 name = "darling"
 version = "0.13.0"
@@ -4467,6 +4480,18 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "merlin"
+version = "3.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "58c38e2799fc0978b65dfff8023ec7843e2330bb462f19198840b34b6582397d"
+dependencies = [
+ "byteorder",
+ "keccak",
+ "rand_core 0.6.2",
+ "zeroize",
+]
+
 [[package]]
 name = "mime"
 version = "0.2.6"
@@ -8244,7 +8269,7 @@ dependencies = [
  "fork-tree",
  "futures 0.3.19",
  "log 0.4.14",
- "merlin",
+ "merlin 2.0.1",
  "num-bigint",
  "num-rational 0.2.4",
  "num-traits",
@@ -8262,7 +8287,7 @@ dependencies = [
  "sc-network",
  "sc-network-test",
  "sc-telemetry",
- "schnorrkel",
+ "schnorrkel 0.10.2",
  "serde",
  "sp-api",
  "sp-application-crypto",
@@ -9168,7 +9193,7 @@ dependencies = [
  "arrayvec 0.5.2",
  "curve25519-dalek 2.1.2",
  "getrandom 0.1.16",
- "merlin",
+ "merlin 2.0.1",
  "rand 0.7.3",
  "rand_core 0.5.1",
  "sha2 0.8.2",
@@ -9176,6 +9201,23 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "schnorrkel"
+version = "0.10.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "844b7645371e6ecdf61ff246ba1958c29e802881a749ae3fb1993675d210d28d"
+dependencies = [
+ "arrayref",
+ "arrayvec 0.7.1",
+ "curve25519-dalek-ng",
+ "merlin 3.0.0",
+ "rand_core 0.6.2",
+ "serde_bytes",
+ "sha2 0.9.8",
+ "subtle-ng",
+ "zeroize",
+]
+
 [[package]]
 name = "scoped-tls"
 version = "1.0.0"
@@ -9805,7 +9847,7 @@ name = "sp-consensus-babe"
 version = "0.10.0-dev"
 dependencies = [
  "async-trait",
- "merlin",
+ "merlin 2.0.1",
  "parity-scale-codec",
  "scale-info",
  "serde",
@@ -9851,7 +9893,7 @@ name = "sp-consensus-vrf"
 version = "0.10.0-dev"
 dependencies = [
  "parity-scale-codec",
- "schnorrkel",
+ "schnorrkel 0.10.2",
  "sp-core",
  "sp-runtime",
  "sp-std",
@@ -9877,7 +9919,7 @@ dependencies = [
  "lazy_static",
  "libsecp256k1",
  "log 0.4.14",
- "merlin",
+ "merlin 2.0.1",
  "num-traits",
  "parity-scale-codec",
  "parity-util-mem",
@@ -9886,7 +9928,7 @@ dependencies = [
  "rand 0.7.3",
  "regex",
  "scale-info",
- "schnorrkel",
+ "schnorrkel 0.10.2",
  "secp256k1",
  "secrecy",
  "serde",
@@ -10028,12 +10070,12 @@ version = "0.12.0"
 dependencies = [
  "async-trait",
  "futures 0.3.19",
- "merlin",
+ "merlin 2.0.1",
  "parity-scale-codec",
  "parking_lot 0.12.0",
  "rand 0.7.3",
  "rand_chacha 0.2.2",
- "schnorrkel",
+ "schnorrkel 0.10.2",
  "serde",
  "sp-core",
  "sp-externalities",
@@ -10537,7 +10579,7 @@ checksum = "49eee6965196b32f882dd2ee85a92b1dbead41b04e53907f269de3b0dc04733c"
 dependencies = [
  "hmac 0.11.0",
  "pbkdf2 0.8.0",
- "schnorrkel",
+ "schnorrkel 0.9.1",
  "sha2 0.9.8",
  "zeroize",
 ]
@@ -10768,6 +10810,12 @@ version = "2.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1e81da0851ada1f3e9d4312c704aa4f8806f0f9d69faaf8df2f3464b4a9437c2"
 
+[[package]]
+name = "subtle-ng"
+version = "2.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "734676eb262c623cec13c3155096e08d1f8f29adce39ba17948b18dad1e54142"
+
 [[package]]
 name = "syn"
 version = "1.0.82"
diff --git a/client/consensus/babe/Cargo.toml b/client/consensus/babe/Cargo.toml
index a135807d707e0..9b08ad5c875cd 100644
--- a/client/consensus/babe/Cargo.toml
+++ b/client/consensus/babe/Cargo.toml
@@ -46,7 +46,7 @@ prometheus-endpoint = { package = "substrate-prometheus-endpoint", path = "../..
 futures = "0.3.19"
 parking_lot = "0.12.0"
 log = "0.4.8"
-schnorrkel = { version = "0.9.1", features = ["preaudit_deprecated"] }
+schnorrkel = { version = "0.10.2", features = ["preaudit_deprecated"] }
 rand = "0.7.2"
 merlin = "2.0"
 thiserror = "1.0"
diff --git a/primitives/consensus/vrf/Cargo.toml b/primitives/consensus/vrf/Cargo.toml
index 80d2d1ddb09d1..ff04d53ca531a 100644
--- a/primitives/consensus/vrf/Cargo.toml
+++ b/primitives/consensus/vrf/Cargo.toml
@@ -14,7 +14,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
 codec = { version = "3.0.0", package = "parity-scale-codec", default-features = false }
-schnorrkel = { version = "0.9.1", features = ["preaudit_deprecated", "u64_backend"], default-features = false }
+schnorrkel = { version = "0.10.2", features = ["preaudit_deprecated", "u64_backend"], default-features = false }
 sp-std = { version = "4.0.0", path = "../../std", default-features = false }
 sp-core = { version = "6.0.0", path = "../../core", default-features = false }
 sp-runtime = { version = "6.0.0", default-features = false, path = "../../runtime" }
diff --git a/primitives/core/Cargo.toml b/primitives/core/Cargo.toml
index 1effb8efbf5ae..37f9a0344c3f1 100644
--- a/primitives/core/Cargo.toml
+++ b/primitives/core/Cargo.toml
@@ -49,7 +49,7 @@ bitflags = "1.3"
 # full crypto
 ed25519-dalek = { version = "1.0.1", default-features = false, features = ["u64_backend", "alloc"], optional = true }
 blake2-rfc = { version = "0.2.18", default-features = false, optional = true }
-schnorrkel = { version = "0.9.1", features = [
+schnorrkel = { version = "0.10.2", features = [
 	"preaudit_deprecated",
 	"u64_backend",
 ], default-features = false, optional = true }
diff --git a/primitives/keystore/Cargo.toml b/primitives/keystore/Cargo.toml
index 7b1d1dd4ebc4b..cc1b634430309 100644
--- a/primitives/keystore/Cargo.toml
+++ b/primitives/keystore/Cargo.toml
@@ -20,7 +20,7 @@ serde = { version = "1.0", optional = true }
 thiserror = "1.0"
 
 codec = { package = "parity-scale-codec", version = "3.0.0", default-features = false, features = ["derive"] }
-schnorrkel = { version = "0.9.1", features = ["preaudit_deprecated", "u64_backend"], default-features = false }
+schnorrkel = { version = "0.10.2", features = ["preaudit_deprecated", "u64_backend"], default-features = false }
 merlin = { version = "2.0", default-features = false }
 sp-core = { version = "6.0.0", path = "../core" }
 sp-externalities = { version = "0.12.0", path = "../externalities", default-features = false }