diff --git a/Cargo.lock b/Cargo.lock
index 44c3ffc..f45042b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -421,7 +421,7 @@ checksum = "0e97ce7de6cf12de5d7226c73f5ba9811622f4db3a5b91b55c53e987e5f91cba"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.29",
 ]
 
 [[package]]
@@ -432,7 +432,7 @@ checksum = "b9ccdd8f2a161be9bd5c023df56f1b2a0bd1d83872ae53b71a84a12c9bf6e842"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.29",
 ]
 
 [[package]]
@@ -977,7 +977,7 @@ dependencies = [
  "heck",
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.29",
 ]
 
 [[package]]
@@ -1409,7 +1409,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "scratch",
- "syn 2.0.15",
+ "syn 2.0.29",
 ]
 
 [[package]]
@@ -1426,7 +1426,7 @@ checksum = "2345488264226bf682893e25de0769f3360aac9957980ec49361b083ddaa5bc5"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.29",
 ]
 
 [[package]]
@@ -1706,7 +1706,7 @@ checksum = "487585f4d0c6655fe74905e2504d8ad6908e4db67f744eb140876906c2f3175d"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.29",
 ]
 
 [[package]]
@@ -2225,7 +2225,7 @@ dependencies = [
  "async-recursion",
  "futures",
  "indicatif",
- "jsonrpsee",
+ "jsonrpsee 0.16.2",
  "log",
  "parity-scale-codec",
  "serde",
@@ -2283,7 +2283,7 @@ dependencies = [
  "proc-macro-warning",
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.29",
 ]
 
 [[package]]
@@ -2295,7 +2295,7 @@ dependencies = [
  "proc-macro-crate",
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.29",
 ]
 
 [[package]]
@@ -2305,7 +2305,7 @@ source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.4
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.29",
 ]
 
 [[package]]
@@ -2502,7 +2502,7 @@ checksum = "89ca545a94061b6365f2c7355b4b32bd20df3ff95f02da9329b34ccc3bd6ee72"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.29",
 ]
 
 [[package]]
@@ -3204,15 +3204,26 @@ version = "0.16.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7d291e3a5818a2384645fd9756362e6d89cf0541b0b916fa7702ea4a9833608e"
 dependencies = [
- "jsonrpsee-core",
+ "jsonrpsee-core 0.16.2",
  "jsonrpsee-http-client",
  "jsonrpsee-proc-macros",
- "jsonrpsee-server",
- "jsonrpsee-types",
+ "jsonrpsee-server 0.16.2",
+ "jsonrpsee-types 0.16.2",
  "jsonrpsee-ws-client",
  "tracing",
 ]
 
+[[package]]
+name = "jsonrpsee"
+version = "0.20.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8002beb64691edce321fc16cdba91916b10d798f9d480a05467b0ee98463c03b"
+dependencies = [
+ "jsonrpsee-core 0.20.0",
+ "jsonrpsee-server 0.20.0",
+ "jsonrpsee-types 0.20.0",
+]
+
 [[package]]
 name = "jsonrpsee-client-transport"
 version = "0.16.2"
@@ -3221,8 +3232,8 @@ checksum = "965de52763f2004bc91ac5bcec504192440f0b568a5d621c59d9dbd6f886c3fb"
 dependencies = [
  "futures-util",
  "http",
- "jsonrpsee-core",
- "jsonrpsee-types",
+ "jsonrpsee-core 0.16.2",
+ "jsonrpsee-types 0.16.2",
  "pin-project",
  "rustls-native-certs",
  "soketto",
@@ -3250,7 +3261,30 @@ dependencies = [
  "futures-util",
  "globset",
  "hyper",
- "jsonrpsee-types",
+ "jsonrpsee-types 0.16.2",
+ "parking_lot 0.12.1",
+ "rand 0.8.5",
+ "rustc-hash",
+ "serde",
+ "serde_json",
+ "soketto",
+ "thiserror",
+ "tokio",
+ "tracing",
+]
+
+[[package]]
+name = "jsonrpsee-core"
+version = "0.20.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4278372ecb78ebb522c36a242209a29162f4af0997a41158c8b60450b081baf1"
+dependencies = [
+ "anyhow",
+ "async-trait",
+ "beef",
+ "futures-util",
+ "hyper",
+ "jsonrpsee-types 0.20.0",
  "parking_lot 0.12.1",
  "rand 0.8.5",
  "rustc-hash",
@@ -3271,8 +3305,8 @@ dependencies = [
  "async-trait",
  "hyper",
  "hyper-rustls",
- "jsonrpsee-core",
- "jsonrpsee-types",
+ "jsonrpsee-core 0.16.2",
+ "jsonrpsee-types 0.16.2",
  "rustc-hash",
  "serde",
  "serde_json",
@@ -3304,8 +3338,8 @@ dependencies = [
  "futures-util",
  "http",
  "hyper",
- "jsonrpsee-core",
- "jsonrpsee-types",
+ "jsonrpsee-core 0.16.2",
+ "jsonrpsee-types 0.16.2",
  "serde",
  "serde_json",
  "soketto",
@@ -3316,6 +3350,29 @@ dependencies = [
  "tracing",
 ]
 
+[[package]]
+name = "jsonrpsee-server"
+version = "0.20.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5fc6357836b1d7b1367fe6d9a9b8d6e5488d1f1db985dfca4cb4ceaa9f37679e"
+dependencies = [
+ "futures-util",
+ "http",
+ "hyper",
+ "jsonrpsee-core 0.20.0",
+ "jsonrpsee-types 0.20.0",
+ "route-recognizer",
+ "serde",
+ "serde_json",
+ "soketto",
+ "thiserror",
+ "tokio",
+ "tokio-stream",
+ "tokio-util",
+ "tower",
+ "tracing",
+]
+
 [[package]]
 name = "jsonrpsee-types"
 version = "0.16.2"
@@ -3330,6 +3387,20 @@ dependencies = [
  "tracing",
 ]
 
+[[package]]
+name = "jsonrpsee-types"
+version = "0.20.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bbea61f2d95b9592491228db0c4d2b1e43ea1154ed9713bb666169cf3919ea7d"
+dependencies = [
+ "anyhow",
+ "beef",
+ "serde",
+ "serde_json",
+ "thiserror",
+ "tracing",
+]
+
 [[package]]
 name = "jsonrpsee-ws-client"
 version = "0.16.2"
@@ -3338,8 +3409,8 @@ checksum = "0b83daeecfc6517cfe210df24e570fb06213533dfb990318fae781f4c7119dd9"
 dependencies = [
  "http",
  "jsonrpsee-client-transport",
- "jsonrpsee-core",
- "jsonrpsee-types",
+ "jsonrpsee-core 0.16.2",
+ "jsonrpsee-types 0.16.2",
 ]
 
 [[package]]
@@ -4486,7 +4557,7 @@ dependencies = [
  "frame-benchmarking-cli",
  "frame-system",
  "futures",
- "jsonrpsee",
+ "jsonrpsee 0.20.0",
  "node-template-runtime",
  "pallet-transaction-payment",
  "pallet-transaction-payment-rpc",
@@ -5023,7 +5094,7 @@ name = "pallet-transaction-payment-rpc"
 version = "4.0.0-dev"
 source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.42#ff24c60ac7d9f87727ecdd0ded9a80c56e4f4b65"
 dependencies = [
- "jsonrpsee",
+ "jsonrpsee 0.16.2",
  "pallet-transaction-payment-rpc-runtime-api",
  "parity-scale-codec",
  "sp-api",
@@ -5261,7 +5332,7 @@ dependencies = [
  "pest_meta",
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.29",
 ]
 
 [[package]]
@@ -5554,14 +5625,14 @@ checksum = "0e99670bafb56b9a106419397343bdbc8b8742c3cc449fec6345f86173f47cd4"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.29",
 ]
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.56"
+version = "1.0.66"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2b63bdb0cd06f1f4dedf69b254734f9b45af66e4a031e42a7480257d9898b435"
+checksum = "18fb31db3f9bddb2ea821cde30a9f70117e3f119938b5ee630b7403aa6e2ead9"
 dependencies = [
  "unicode-ident",
 ]
@@ -5591,7 +5662,7 @@ dependencies = [
 name = "profile-validation-rpc"
 version = "0.1.0"
 dependencies = [
- "jsonrpsee",
+ "jsonrpsee 0.16.2",
  "profile-validation-runtime-api",
  "sc-rpc",
  "sc-rpc-api",
@@ -5767,9 +5838,9 @@ dependencies = [
 
 [[package]]
 name = "quote"
-version = "1.0.26"
+version = "1.0.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4424af4bf778aae2051a77b60283332f386554255d722233d09fbfc7e30da2fc"
+checksum = "5267fca4496028628a95160fc423a33e8b2e6af8a5302579e322e4b520293cae"
 dependencies = [
  "proc-macro2",
 ]
@@ -5959,7 +6030,7 @@ checksum = "8d2275aab483050ab2a7364c1a46604865ee7d6906684e08db0f090acf74f9e7"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.29",
 ]
 
 [[package]]
@@ -6074,6 +6145,12 @@ dependencies = [
  "librocksdb-sys",
 ]
 
+[[package]]
+name = "route-recognizer"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "afab94fb28594581f62d981211a9a4d53cc8130bbcbbb89a0440d9b8e81a7746"
+
 [[package]]
 name = "rpassword"
 version = "7.2.0"
@@ -6380,7 +6457,7 @@ dependencies = [
  "proc-macro-crate",
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.29",
 ]
 
 [[package]]
@@ -6938,7 +7015,7 @@ version = "4.0.0-dev"
 source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.42#ff24c60ac7d9f87727ecdd0ded9a80c56e4f4b65"
 dependencies = [
  "futures",
- "jsonrpsee",
+ "jsonrpsee 0.16.2",
  "log",
  "parity-scale-codec",
  "parking_lot 0.12.1",
@@ -6967,7 +7044,7 @@ name = "sc-rpc-api"
 version = "0.10.0-dev"
 source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.42#ff24c60ac7d9f87727ecdd0ded9a80c56e4f4b65"
 dependencies = [
- "jsonrpsee",
+ "jsonrpsee 0.16.2",
  "parity-scale-codec",
  "sc-chain-spec",
  "sc-transaction-pool-api",
@@ -6987,7 +7064,7 @@ version = "4.0.0-dev"
 source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.42#ff24c60ac7d9f87727ecdd0ded9a80c56e4f4b65"
 dependencies = [
  "http",
- "jsonrpsee",
+ "jsonrpsee 0.16.2",
  "log",
  "serde_json",
  "substrate-prometheus-endpoint",
@@ -7005,7 +7082,7 @@ dependencies = [
  "futures",
  "futures-util",
  "hex",
- "jsonrpsee",
+ "jsonrpsee 0.16.2",
  "log",
  "parity-scale-codec",
  "parking_lot 0.12.1",
@@ -7032,7 +7109,7 @@ dependencies = [
  "exit-future",
  "futures",
  "futures-timer",
- "jsonrpsee",
+ "jsonrpsee 0.16.2",
  "log",
  "parity-scale-codec",
  "parking_lot 0.12.1",
@@ -7192,7 +7269,7 @@ dependencies = [
  "proc-macro-crate",
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.29",
 ]
 
 [[package]]
@@ -7515,7 +7592,7 @@ checksum = "291a097c63d8497e00160b166a967a4a79c64f3facdd01cbd7502231688d77df"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.29",
 ]
 
 [[package]]
@@ -7819,7 +7896,7 @@ dependencies = [
  "proc-macro-crate",
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.29",
 ]
 
 [[package]]
@@ -8029,7 +8106,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "sp-core-hashing",
- "syn 2.0.15",
+ "syn 2.0.29",
 ]
 
 [[package]]
@@ -8048,7 +8125,7 @@ source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.4
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.29",
 ]
 
 [[package]]
@@ -8241,7 +8318,7 @@ dependencies = [
  "proc-macro-crate",
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.29",
 ]
 
 [[package]]
@@ -8409,7 +8486,7 @@ dependencies = [
  "parity-scale-codec",
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.29",
 ]
 
 [[package]]
@@ -8608,7 +8685,7 @@ source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.4
 dependencies = [
  "frame-system-rpc-runtime-api",
  "futures",
- "jsonrpsee",
+ "jsonrpsee 0.16.2",
  "log",
  "parity-scale-codec",
  "sc-rpc-api",
@@ -8638,7 +8715,7 @@ version = "0.10.0-dev"
 source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.42#ff24c60ac7d9f87727ecdd0ded9a80c56e4f4b65"
 dependencies = [
  "async-trait",
- "jsonrpsee",
+ "jsonrpsee 0.16.2",
  "log",
  "sc-rpc-api",
  "serde",
@@ -8690,9 +8767,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.15"
+version = "2.0.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a34fcf3e8b60f57e6a14301a2e916d323af98b0ea63c599441eec8558660c822"
+checksum = "c324c494eba9d92503e6f1ef2e6df781e78f6a7705a0202d9801b198807d518a"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -8774,22 +8851,22 @@ checksum = "3369f5ac52d5eb6ab48c6b4ffdc8efbcad6b89c765749064ba298f2c68a16a76"
 
 [[package]]
 name = "thiserror"
-version = "1.0.40"
+version = "1.0.47"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "978c9a314bd8dc99be594bc3c175faaa9794be04a5a5e153caba6915336cebac"
+checksum = "97a802ec30afc17eee47b2855fc72e0c4cd62be9b4efe6591edde0ec5bd68d8f"
 dependencies = [
  "thiserror-impl",
 ]
 
 [[package]]
 name = "thiserror-impl"
-version = "1.0.40"
+version = "1.0.47"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f9456a42c5b0d803c8cd86e73dd7cc9edd429499f37a3550d286d5e86720569f"
+checksum = "6bb623b56e39ab7dcd4b1b98bb6c8f8d907ed255b18de254088016b27a8ee19b"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.29",
 ]
 
 [[package]]
@@ -8936,7 +9013,7 @@ checksum = "630bdcf245f78637c13ec01ffae6187cca34625e8c63150d424b59e55af2675e"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.29",
 ]
 
 [[package]]
@@ -9082,7 +9159,7 @@ checksum = "0f57e3ca2a01450b1a921183a9c9cbfda207fd822cef4ccb00a65402cbba7a74"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.29",
 ]
 
 [[package]]
@@ -10502,7 +10579,7 @@ checksum = "ce36e65b0d2999d2aafac989fb249189a141aee1f53c612c1f37d72631959f69"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.29",
 ]
 
 [[package]]
diff --git a/node/Cargo.toml b/node/Cargo.toml
index 81a8ae0..4740a99 100644
--- a/node/Cargo.toml
+++ b/node/Cargo.toml
@@ -44,7 +44,7 @@ frame-system = { version = "4.0.0-dev", git = "https://github.com/paritytech/sub
 pallet-transaction-payment = { version = "4.0.0-dev", default-features = false, git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.42" }
 
 # These dependencies are used for the node template's RPCs
-jsonrpsee = { version = "0.16.2", features = ["server"] }
+jsonrpsee = { version = "0.20.0", features = ["server"] }
 sc-rpc = { version = "4.0.0-dev", git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.42" }
 sp-api = { version = "4.0.0-dev", git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.42" }
 sc-rpc-api = { version = "0.10.0-dev", git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.42" }