diff --git a/substrate/Cargo.lock b/substrate/Cargo.lock
index 656054865f..f410b288e9 100644
--- a/substrate/Cargo.lock
+++ b/substrate/Cargo.lock
@@ -2733,9 +2733,9 @@ dependencies = [
 
 [[package]]
 name = "ip_network"
-version = "0.3.4"
+version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2ee15951c035f79eddbef745611ec962f63f4558f1dadf98ab723cc603487c6f"
+checksum = "09b746553d2f4a1ca26fab939943ddfb217a091f34f53571620a8e3d30691303"
 
 [[package]]
 name = "ipconfig"
diff --git a/substrate/client/authority-discovery/Cargo.toml b/substrate/client/authority-discovery/Cargo.toml
index 10dbf5fdc8..2d36c19747 100644
--- a/substrate/client/authority-discovery/Cargo.toml
+++ b/substrate/client/authority-discovery/Cargo.toml
@@ -22,7 +22,7 @@ codec = { package = "parity-scale-codec", default-features = false, version = "2
 derive_more = "0.99.2"
 futures = "0.3.9"
 futures-timer = "3.0.1"
-ip_network = "0.3.4"
+ip_network = "0.4.0"
 libp2p = { version = "0.37.1", default-features = false, features = ["kad"] }
 log = "0.4.8"
 prometheus-endpoint = { package = "substrate-prometheus-endpoint", path = "../../utils/prometheus", version = "0.9.0" }
diff --git a/substrate/client/network/Cargo.toml b/substrate/client/network/Cargo.toml
index c8ea8db8ac..520c52e148 100644
--- a/substrate/client/network/Cargo.toml
+++ b/substrate/client/network/Cargo.toml
@@ -33,7 +33,7 @@ futures = "0.3.9"
 futures-timer = "3.0.2"
 asynchronous-codec = "0.5"
 hex = "0.4.0"
-ip_network = "0.3.4"
+ip_network = "0.4.0"
 linked-hash-map = "0.5.4"
 linked_hash_set = "0.1.3"
 lru = "0.6.5"