diff --git a/Cargo.lock b/Cargo.lock
index b11af51..e110e80 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -156,6 +156,12 @@ version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "23b62fc65de8e4e7f52534fb52b0f3ed04746ae267519eef2a83941e8085068b"
 
+[[package]]
+name = "arrayvec"
+version = "0.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "be4dc07131ffa69b8072d35f5007352af944213cde02545e2103680baed38fcd"
+
 [[package]]
 name = "asn1_der"
 version = "0.6.3"
@@ -1601,6 +1607,21 @@ name = "finality-grandpa"
 version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2cd795898c348a8ec9edc66ec9e014031c764d4c88cc26d09b492cd93eb41339"
+dependencies = [
+ "either",
+ "futures 0.3.13",
+ "futures-timer 3.0.2",
+ "log",
+ "num-traits",
+ "parity-scale-codec",
+ "parking_lot 0.11.1",
+]
+
+[[package]]
+name = "finality-grandpa"
+version = "0.14.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9c29b0f7ece4ac0afa32edd8ab1c1c8fec9f0ea1d8c92107e829150ae156854e"
 dependencies = [
  "either",
  "futures 0.3.13",
@@ -1783,7 +1804,7 @@ name = "frame-support-procedural-tools"
 version = "3.0.0"
 dependencies = [
  "frame-support-procedural-tools-derive",
- "proc-macro-crate",
+ "proc-macro-crate 0.1.5",
  "proc-macro2",
  "quote",
  "syn",
@@ -2737,7 +2758,7 @@ version = "15.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "99a847f9ec7bb52149b2786a17c9cb260d6effc6b8eeb8c16b343a487a7563a3"
 dependencies = [
- "proc-macro-crate",
+ "proc-macro-crate 0.1.5",
  "proc-macro2",
  "quote",
  "syn",
@@ -3737,7 +3758,7 @@ version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "85ee3c48cb9d9b275ad967a0e96715badc13c6029adb92f34fa17b9ff28fd81f"
 dependencies = [
- "proc-macro-crate",
+ "proc-macro-crate 0.1.5",
  "proc-macro-error",
  "proc-macro2",
  "quote",
@@ -4685,7 +4706,7 @@ dependencies = [
 name = "pallet-grandpa"
 version = "3.0.0"
 dependencies = [
- "finality-grandpa",
+ "finality-grandpa 0.13.0",
  "frame-benchmarking",
  "frame-support",
  "frame-system",
@@ -5106,7 +5127,7 @@ dependencies = [
 name = "pallet-staking-reward-curve"
 version = "3.0.0"
 dependencies = [
- "proc-macro-crate",
+ "proc-macro-crate 0.1.5",
  "proc-macro2",
  "quote",
  "sp-runtime",
@@ -5297,24 +5318,25 @@ dependencies = [
 
 [[package]]
 name = "parity-scale-codec"
-version = "2.0.1"
+version = "2.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0cd3dab59b5cf4bc81069ade0fc470341a1ef3ad5fa73e5a8943bed2ec12b2e8"
+checksum = "8975095a2a03bbbdc70a74ab11a4f76a6d0b84680d87c68d722531b0ac28e8a9"
 dependencies = [
- "arrayvec 0.5.2",
+ "arrayvec 0.7.1",
  "bitvec",
  "byte-slice-cast",
+ "impl-trait-for-tuples",
  "parity-scale-codec-derive",
  "serde",
 ]
 
 [[package]]
 name = "parity-scale-codec-derive"
-version = "2.0.1"
+version = "2.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fa04976a81fde04924b40cc4036c4d12841e8bb04325a5cf2ada75731a150a7d"
+checksum = "40dbbfef7f0a1143c5b06e0d76a6278e25dac0bc1af4be51a0fbb73f07e7ad09"
 dependencies = [
- "proc-macro-crate",
+ "proc-macro-crate 1.0.0",
  "proc-macro2",
  "quote",
  "syn",
@@ -5804,6 +5826,16 @@ dependencies = [
  "toml",
 ]
 
+[[package]]
+name = "proc-macro-crate"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "41fdbd1df62156fbc5945f4762632564d7d038153091c3fcf1067f6aef7cff92"
+dependencies = [
+ "thiserror",
+ "toml",
+]
+
 [[package]]
 name = "proc-macro-error"
 version = "1.0.4"
@@ -6564,7 +6596,7 @@ dependencies = [
 name = "sc-chain-spec-derive"
 version = "3.0.0"
 dependencies = [
- "proc-macro-crate",
+ "proc-macro-crate 0.1.5",
  "proc-macro2",
  "quote",
  "syn",
@@ -7019,7 +7051,7 @@ version = "0.9.0"
 dependencies = [
  "assert_matches",
  "derive_more",
- "finality-grandpa",
+ "finality-grandpa 0.14.2",
  "fork-tree",
  "futures 0.3.13",
  "futures-timer 3.0.2",
@@ -7064,7 +7096,7 @@ name = "sc-finality-grandpa-rpc"
 version = "0.9.0"
 dependencies = [
  "derive_more",
- "finality-grandpa",
+ "finality-grandpa 0.13.0",
  "futures 0.3.13",
  "jsonrpc-core",
  "jsonrpc-core-client",
@@ -7612,7 +7644,7 @@ dependencies = [
 name = "sc-tracing-proc-macro"
 version = "3.0.0"
 dependencies = [
- "proc-macro-crate",
+ "proc-macro-crate 0.1.5",
  "proc-macro2",
  "quote",
  "syn",
@@ -8086,7 +8118,7 @@ name = "sp-api-proc-macro"
 version = "3.0.0"
 dependencies = [
  "blake2-rfc",
- "proc-macro-crate",
+ "proc-macro-crate 0.1.5",
  "proc-macro2",
  "quote",
  "syn",
@@ -8399,7 +8431,7 @@ dependencies = [
 name = "sp-finality-grandpa"
 version = "3.0.0"
 dependencies = [
- "finality-grandpa",
+ "finality-grandpa 0.13.0",
  "log",
  "parity-scale-codec",
  "serde",
@@ -8492,7 +8524,7 @@ dependencies = [
 name = "sp-npos-elections-compact"
 version = "3.0.0"
 dependencies = [
- "proc-macro-crate",
+ "proc-macro-crate 0.1.5",
  "proc-macro2",
  "quote",
  "syn",
@@ -8585,7 +8617,7 @@ name = "sp-runtime-interface-proc-macro"
 version = "3.0.0"
 dependencies = [
  "Inflector",
- "proc-macro-crate",
+ "proc-macro-crate 0.1.5",
  "proc-macro2",
  "quote",
  "syn",
@@ -9163,7 +9195,7 @@ dependencies = [
 name = "substrate-test-utils-derive"
 version = "0.9.0"
 dependencies = [
- "proc-macro-crate",
+ "proc-macro-crate 0.1.5",
  "quote",
  "syn",
 ]
diff --git a/client/finality-grandpa/Cargo.toml b/client/finality-grandpa/Cargo.toml
index 38f6acd..cdbfe8b 100644
--- a/client/finality-grandpa/Cargo.toml
+++ b/client/finality-grandpa/Cargo.toml
@@ -43,13 +43,13 @@ sc-network-gossip = { version = "0.9.0", path = "../network-gossip" }
 sp-finality-grandpa = { version = "3.0.0", path = "../../primitives/finality-grandpa" }
 prometheus-endpoint = { package = "substrate-prometheus-endpoint", path = "../../utils/prometheus", version = "0.9.0"}
 sc-block-builder = { version = "0.9.0", path = "../block-builder" }
-finality-grandpa = { version = "0.13.0", features = ["derive-codec"] }
+finality-grandpa = { version = "0.14.2", features = ["derive-codec"] }
 pin-project = "1.0.4"
 linked-hash-map = "0.5.2"
 
 [dev-dependencies]
 assert_matches = "1.3.0"
-finality-grandpa = { version = "0.13.0", features = ["derive-codec", "test-helpers"] }
+finality-grandpa = { version = "0.14.2", features = ["derive-codec", "test-helpers"] }
 sc-network = { version = "0.9.0", path = "../network" }
 sc-network-test = { version = "0.8.0", path = "../network/test" }
 sp-keyring = { version = "3.0.0", path = "../../primitives/keyring" }