diff --git a/Cargo.lock b/Cargo.lock
index 5ccf01a29aab3..b8cc62a15009b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -969,8 +969,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "93f2635620bf0b9d4576eb7bb9a38a55df78bd1205d26fa994b25911a69f212f"
 dependencies = [
  "bitcoin_hashes",
- "rand 0.7.3",
- "rand_core 0.5.1",
+ "rand 0.8.5",
+ "rand_core 0.6.4",
  "serde",
  "unicode-normalization",
 ]
@@ -2600,15 +2600,16 @@ dependencies = [
 
 [[package]]
 name = "ed25519-dalek"
-version = "2.0.0"
+version = "2.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7277392b266383ef8396db7fdeb1e77b6c52fed775f5df15bb24f35b72156980"
+checksum = "1f628eaec48bfd21b865dc2950cfa014450c01d2fa2b69a86c2fd5844ec523c0"
 dependencies = [
  "curve25519-dalek 4.0.0",
  "ed25519",
  "rand_core 0.6.4",
  "serde",
  "sha2 0.10.7",
+ "subtle 2.4.1",
  "zeroize",
 ]
 
diff --git a/primitives/test-utils/Cargo.toml b/primitives/test-utils/Cargo.toml
index 778d4e165e86b..e8c542aefc532 100644
--- a/primitives/test-utils/Cargo.toml
+++ b/primitives/test-utils/Cargo.toml
@@ -12,7 +12,7 @@ bp-parachains = { path = "../parachains", default-features = false }
 bp-polkadot-core = { path = "../polkadot-core", default-features = false  }
 bp-runtime = { path = "../runtime", default-features = false }
 codec = { package = "parity-scale-codec", version = "3.1.5", default-features = false }
-ed25519-dalek = { version = "2.0", default-features = false }
+ed25519-dalek = { version = "2.1", default-features = false }
 finality-grandpa = { version = "0.16.2", default-features = false }
 sp-application-crypto = { git = "https://github.com/paritytech/polkadot-sdk", branch = "master", default-features = false }
 sp-consensus-grandpa = { git = "https://github.com/paritytech/polkadot-sdk", branch = "master", default-features = false }