diff --git a/Cargo.lock b/Cargo.lock
index 2f0a2df0f101b..a35dbba7d089e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -7830,8 +7830,8 @@ dependencies = [
  "libp2p",
  "log",
  "parity-scale-codec",
- "prost 0.10.3",
- "prost-build 0.10.4",
+ "prost 0.11.0",
+ "prost-build 0.11.1",
  "quickcheck",
  "rand 0.7.3",
  "sc-client-api",
@@ -8486,7 +8486,7 @@ dependencies = [
  "parity-scale-codec",
  "parking_lot 0.12.1",
  "pin-project",
- "prost 0.10.3",
+ "prost 0.11.0",
  "rand 0.7.3",
  "sc-block-builder",
  "sc-client-api",
@@ -8553,7 +8553,7 @@ dependencies = [
  "libp2p",
  "linked_hash_set",
  "parity-scale-codec",
- "prost-build 0.10.4",
+ "prost-build 0.11.1",
  "sc-consensus",
  "sc-peerset",
  "serde",
@@ -8595,8 +8595,8 @@ dependencies = [
  "libp2p",
  "log",
  "parity-scale-codec",
- "prost 0.10.3",
- "prost-build 0.10.4",
+ "prost 0.11.0",
+ "prost-build 0.11.1",
  "sc-client-api",
  "sc-network-common",
  "sc-peerset",
@@ -8617,8 +8617,8 @@ dependencies = [
  "log",
  "lru",
  "parity-scale-codec",
- "prost 0.10.3",
- "prost-build 0.10.4",
+ "prost 0.11.0",
+ "prost-build 0.11.1",
  "quickcheck",
  "sc-block-builder",
  "sc-client-api",
diff --git a/client/authority-discovery/Cargo.toml b/client/authority-discovery/Cargo.toml
index d9e9df4f2a97c..37377cdc6dde3 100644
--- a/client/authority-discovery/Cargo.toml
+++ b/client/authority-discovery/Cargo.toml
@@ -14,7 +14,7 @@ readme = "README.md"
 targets = ["x86_64-unknown-linux-gnu"]
 
 [build-dependencies]
-prost-build = "0.10"
+prost-build = "0.11"
 
 [dependencies]
 codec = { package = "parity-scale-codec", version = "3.0.0", default-features = false }
@@ -23,7 +23,7 @@ futures-timer = "3.0.1"
 ip_network = "0.4.1"
 libp2p = { version = "0.46.1", default-features = false, features = ["kad"] }
 log = "0.4.17"
-prost = "0.10"
+prost = "0.11"
 rand = "0.7.2"
 thiserror = "1.0"
 prometheus-endpoint = { package = "substrate-prometheus-endpoint", version = "0.10.0-dev", path = "../../utils/prometheus" }
diff --git a/client/network/Cargo.toml b/client/network/Cargo.toml
index e96749df40aa2..8e3d68851c423 100644
--- a/client/network/Cargo.toml
+++ b/client/network/Cargo.toml
@@ -33,7 +33,7 @@ log = "0.4.17"
 lru = "0.7.5"
 parking_lot = "0.12.1"
 pin-project = "1.0.10"
-prost = "0.10"
+prost = "0.11"
 rand = "0.7.2"
 serde = { version = "1.0.136", features = ["derive"] }
 serde_json = "1.0.85"
diff --git a/client/network/common/Cargo.toml b/client/network/common/Cargo.toml
index 1ee7b15538366..0e9801ec79e63 100644
--- a/client/network/common/Cargo.toml
+++ b/client/network/common/Cargo.toml
@@ -14,7 +14,7 @@ readme = "README.md"
 targets = ["x86_64-unknown-linux-gnu"]
 
 [build-dependencies]
-prost-build = "0.10"
+prost-build = "0.11"
 
 [dependencies]
 async-trait = "0.1.57"
diff --git a/client/network/light/Cargo.toml b/client/network/light/Cargo.toml
index c2a77c3b577ba..a1a5dcf85eb5d 100644
--- a/client/network/light/Cargo.toml
+++ b/client/network/light/Cargo.toml
@@ -14,7 +14,7 @@ readme = "README.md"
 targets = ["x86_64-unknown-linux-gnu"]
 
 [build-dependencies]
-prost-build = "0.10"
+prost-build = "0.11"
 
 [dependencies]
 array-bytes = "4.1"
@@ -24,7 +24,7 @@ codec = { package = "parity-scale-codec", version = "3.0.0", features = [
 futures = "0.3.21"
 libp2p = "0.46.1"
 log = "0.4.16"
-prost = "0.10"
+prost = "0.11"
 sp-blockchain = { version = "4.0.0-dev", path = "../../../primitives/blockchain" }
 sc-client-api = { version = "4.0.0-dev", path = "../../api" }
 sc-network-common = { version = "0.10.0-dev", path = "../common" }
diff --git a/client/network/sync/Cargo.toml b/client/network/sync/Cargo.toml
index 269214aeff3f7..24d418f7233d7 100644
--- a/client/network/sync/Cargo.toml
+++ b/client/network/sync/Cargo.toml
@@ -14,7 +14,7 @@ readme = "README.md"
 targets = ["x86_64-unknown-linux-gnu"]
 
 [build-dependencies]
-prost-build = "0.10"
+prost-build = "0.11"
 
 [dependencies]
 array-bytes = "4.1"
@@ -25,7 +25,7 @@ futures = "0.3.21"
 libp2p = "0.46.1"
 log = "0.4.17"
 lru = "0.7.5"
-prost = "0.10"
+prost = "0.11"
 smallvec = "1.8.0"
 thiserror = "1.0"
 fork-tree = { version = "3.0.0", path = "../../../utils/fork-tree" }