diff --git a/bridges/bin/node/runtime/Cargo.toml b/bridges/bin/node/runtime/Cargo.toml
index 7e0b9392c240..8db68d768e28 100644
--- a/bridges/bin/node/runtime/Cargo.toml
+++ b/bridges/bin/node/runtime/Cargo.toml
@@ -13,7 +13,7 @@ default-features = false
 features = ["derive"]
 
 [dependencies.serde]
-version = "1.0.101"
+version = "1.0.105"
 optional = true
 features = ["derive"]
 
diff --git a/bridges/relays/ethereum/Cargo.toml b/bridges/relays/ethereum/Cargo.toml
index 8970e76150fb..413f16e9a095 100644
--- a/bridges/relays/ethereum/Cargo.toml
+++ b/bridges/relays/ethereum/Cargo.toml
@@ -17,7 +17,7 @@ linked-hash-map = "0.5.2"
 log = "0.4.8"
 parking_lot = "0.10.0"
 rustc-hex = "2.0.1"
-serde = { version = "1.0.40", features = ["derive"] }
+serde = { version = "1.0.105", features = ["derive"] }
 serde_json = "1.0.40"
 sp-bridge-eth-poa = { path = "../../primitives/ethereum-poa" }
 time = "0.1"