diff --git a/Cargo.lock b/Cargo.lock
index cad4c633..3d790b60 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -7374,18 +7374,18 @@ checksum = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
 
 [[package]]
 name = "serde"
-version = "1.0.183"
+version = "1.0.187"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "32ac8da02677876d532745a130fc9d8e6edfa81a269b107c5b00829b91d8eb3c"
+checksum = "30a7fe14252655bd1e578af19f5fa00fe02fd0013b100ca6b49fde31c41bae4c"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.183"
+version = "1.0.187"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "aafe972d60b0b9bee71a91b92fee2d4fb3c9d7e8f6b179aa99f27203d99a4816"
+checksum = "e46b2a6ca578b3f1d4501b12f78ed4692006d79d82a1a7c561c12dbc3d625eb8"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/Cargo.toml b/Cargo.toml
index 100c24f3..cd5b432b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -33,7 +33,7 @@ parity-db = "0.4.10"
 rlp = {version = "0.5", default-features = false}
 scale-codec = {package = "parity-scale-codec", version = "3.2.1", default-features = false, features = ["derive"]}
 scale-info = {version = "2.8.0", default-features = false, features = ["derive"]}
-serde = {version = "1.0.183", features = ["derive"]}
+serde = {version = "1.0.187", features = ["derive"]}
 serde_json = "1.0"
 
 # Substrate Client