diff --git a/parity-crypto/Cargo.toml b/parity-crypto/Cargo.toml
index 35406b32d..828886648 100644
--- a/parity-crypto/Cargo.toml
+++ b/parity-crypto/Cargo.toml
@@ -25,7 +25,7 @@ pbkdf2 = "0.6.0"
 ripemd160 = "0.9.1"
 rustc-hex = { version = "2.1.0", default-features = false, optional = true }
 scrypt = { version = "0.5.0" }
-secp256k1 = { version = "0.19.0", optional = true, features = ["global-context", "recovery", "rand-std"] }
+secp256k1 = { version = "0.20.0", optional = true, features = ["global-context", "recovery", "rand-std"] }
 sha2 = "0.9.2"
 subtle = "2.4.0"
 tiny-keccak = { version = "2.0.2", features = ["keccak"] }
diff --git a/transaction-pool/Cargo.toml b/transaction-pool/Cargo.toml
index 50537d50a..fd9a4fbd6 100644
--- a/transaction-pool/Cargo.toml
+++ b/transaction-pool/Cargo.toml
@@ -9,7 +9,7 @@ edition = "2018"
 
 [dependencies]
 log = "0.4.8"
-smallvec = "0.6.10"
+smallvec = "1.6.0"
 
 [dev-dependencies]
 ethereum-types = { version = "0.10.0", path = "../ethereum-types" }