diff --git a/Cargo.lock b/Cargo.lock
index b6f69c2daa..87a2dad754 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -14213,7 +14213,17 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0b82eaa1d779e9a4bc1c3217db8ffbeabaae1dca241bf70183242128d48681cd"
 dependencies = [
  "bytes",
- "prost-derive",
+ "prost-derive 0.11.9",
+]
+
+[[package]]
+name = "prost"
+version = "0.12.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "146c289cda302b98a28d40c8b3b90498d6e526dd24ac2ecea73e4e491685b94a"
+dependencies = [
+ "bytes",
+ "prost-derive 0.12.3",
 ]
 
 [[package]]
@@ -14230,7 +14240,7 @@ dependencies = [
  "multimap",
  "petgraph",
  "prettyplease 0.1.25",
- "prost",
+ "prost 0.11.9",
  "prost-types",
  "regex",
  "syn 1.0.109",
@@ -14251,13 +14261,26 @@ dependencies = [
  "syn 1.0.109",
 ]
 
+[[package]]
+name = "prost-derive"
+version = "0.12.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "efb6c9a1dd1def8e2124d17e83a20af56f1570d6c2d2bd9e266ccb768df3840e"
+dependencies = [
+ "anyhow",
+ "itertools 0.11.0",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.48",
+]
+
 [[package]]
 name = "prost-types"
 version = "0.11.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "213622a1460818959ac1181aaeb2dc9c7f63df720db7d788b3e24eacd1983e13"
 dependencies = [
- "prost",
+ "prost 0.11.9",
 ]
 
 [[package]]
@@ -14280,7 +14303,7 @@ dependencies = [
  "libflate",
  "log",
  "names",
- "prost",
+ "prost 0.11.9",
  "reqwest",
  "thiserror",
  "url",
@@ -15357,7 +15380,7 @@ dependencies = [
  "multihash 0.18.1",
  "multihash-codetable",
  "parity-scale-codec",
- "prost",
+ "prost 0.12.3",
  "prost-build",
  "quickcheck",
  "rand 0.8.5",
@@ -16116,7 +16139,7 @@ dependencies = [
  "futures",
  "libp2p-identity",
  "log",
- "prost",
+ "prost 0.12.3",
  "prost-build",
  "sc-block-builder",
  "sc-client-api",
@@ -16183,7 +16206,7 @@ dependencies = [
  "libp2p-identity",
  "log",
  "parity-scale-codec",
- "prost",
+ "prost 0.12.3",
  "prost-build",
  "sc-client-api",
  "sc-network",
@@ -16225,7 +16248,7 @@ dependencies = [
  "log",
  "mockall",
  "parity-scale-codec",
- "prost",
+ "prost 0.12.3",
  "prost-build",
  "quickcheck",
  "sc-block-builder",
diff --git a/substrate/client/authority-discovery/Cargo.toml b/substrate/client/authority-discovery/Cargo.toml
index a8a28a501e..e7aead99c0 100644
--- a/substrate/client/authority-discovery/Cargo.toml
+++ b/substrate/client/authority-discovery/Cargo.toml
@@ -30,7 +30,7 @@ multihash = { version = "0.18.1", default-features = false, features = [
 	"std",
 ] }
 log = "0.4.17"
-prost = "0.11"
+prost = "0.12"
 rand = "0.8.5"
 thiserror = "1.0"
 prometheus-endpoint = { package = "substrate-prometheus-endpoint", path = "../../utils/prometheus" }
diff --git a/substrate/client/network/bitswap/Cargo.toml b/substrate/client/network/bitswap/Cargo.toml
index cc919d2977..b004c03e02 100644
--- a/substrate/client/network/bitswap/Cargo.toml
+++ b/substrate/client/network/bitswap/Cargo.toml
@@ -24,7 +24,7 @@ cid = "0.9.0"
 futures = "0.3.21"
 libp2p-identity = { version = "0.1.3", features = ["peerid"] }
 log = "0.4.17"
-prost = "0.11"
+prost = "0.12"
 thiserror = "1.0"
 unsigned-varint = { version = "0.7.1", features = ["asynchronous_codec", "futures"] }
 sc-client-api = { path = "../../api" }
diff --git a/substrate/client/network/light/Cargo.toml b/substrate/client/network/light/Cargo.toml
index c75d14f0de..d59fde5643 100644
--- a/substrate/client/network/light/Cargo.toml
+++ b/substrate/client/network/light/Cargo.toml
@@ -27,7 +27,7 @@ codec = { package = "parity-scale-codec", version = "3.6.1", features = [
 futures = "0.3.21"
 libp2p-identity = { version = "0.1.3", features = ["peerid"] }
 log = "0.4.16"
-prost = "0.11"
+prost = "0.12"
 sp-blockchain = { path = "../../../primitives/blockchain" }
 sc-client-api = { path = "../../api" }
 sc-network = { path = ".." }
diff --git a/substrate/client/network/sync/Cargo.toml b/substrate/client/network/sync/Cargo.toml
index dd993e7a3d..abcb4cc8e4 100644
--- a/substrate/client/network/sync/Cargo.toml
+++ b/substrate/client/network/sync/Cargo.toml
@@ -28,7 +28,7 @@ futures-timer = "3.0.2"
 libp2p = "0.51.4"
 log = "0.4.17"
 mockall = "0.11.3"
-prost = "0.11"
+prost = "0.12"
 schnellru = "0.2.1"
 smallvec = "1.11.0"
 thiserror = "1.0"
diff --git a/substrate/client/network/sync/src/block_request_handler.rs b/substrate/client/network/sync/src/block_request_handler.rs
index f2af7d2178..7dfa76278b 100644
--- a/substrate/client/network/sync/src/block_request_handler.rs
+++ b/substrate/client/network/sync/src/block_request_handler.rs
@@ -228,7 +228,7 @@ where
 		};
 
 		let direction =
-			Direction::from_i32(request.direction).ok_or(HandleRequestError::ParseDirection)?;
+			i32::try_into(request.direction).map_err(|_| HandleRequestError::ParseDirection)?;
 
 		let attributes = BlockAttributes::from_be_u32(request.fields)?;