diff --git a/Cargo.lock b/Cargo.lock
index f806606dd0..711c598f70 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2773,18 +2773,18 @@ checksum = "f638d531eccd6e23b980caf34876660d38e265409d8e99b397ab71eb3612fad0"
 
 [[package]]
 name = "serde"
-version = "1.0.152"
+version = "1.0.155"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bb7d1f0d3021d347a83e556fc4683dea2ea09d87bccdf88ff5c12545d89d5efb"
+checksum = "71f2b4817415c6d4210bfe1c7bfcf4801b2d904cb4d0e1a8fdb651013c9e86b8"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.152"
+version = "1.0.155"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "af487d118eecd09402d70a5d72551860e788df87b464af30e5ea6a38c75c541e"
+checksum = "d071a94a3fac4aff69d023a7f411e33f40f3483f8c5190b1953822b6b76d7630"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/cli/Cargo.toml b/cli/Cargo.toml
index 7d1033126f..f674499d32 100644
--- a/cli/Cargo.toml
+++ b/cli/Cargo.toml
@@ -26,7 +26,7 @@ clap = { version = "4.1.8", features = ["derive", "cargo"] }
 # colourful error reports
 color-eyre = "0.6.1"
 # serialize the metadata
-serde = { version = "1.0.130", features = ["derive"] }
+serde = { version = "1.0.155", features = ["derive"] }
 # serialize as json
 serde_json = "1.0.94"
 # hex encoded metadata to bytes
diff --git a/subxt/Cargo.toml b/subxt/Cargo.toml
index 9926db175c..1c86ff29c9 100644
--- a/subxt/Cargo.toml
+++ b/subxt/Cargo.toml
@@ -43,7 +43,7 @@ scale-decode = "0.4.0"
 futures = { version = "0.3.26", default-features = false, features = ["std"] }
 hex = "0.4.3"
 jsonrpsee = { version = "0.16", optional = true, features = ["jsonrpsee-types"] }
-serde = { version = "1.0.124", features = ["derive"] }
+serde = { version = "1.0.155", features = ["derive"] }
 serde_json = { version = "1.0.94", features = ["raw_value"] }
 thiserror = "1.0.39"
 tracing = "0.1.34"