diff --git a/cumulus/Cargo.lock b/cumulus/Cargo.lock
index 07f10e8d51..7fbc7dd6c9 100644
--- a/cumulus/Cargo.lock
+++ b/cumulus/Cargo.lock
@@ -14420,18 +14420,18 @@ dependencies = [
 
 [[package]]
 name = "thiserror"
-version = "1.0.41"
+version = "1.0.43"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c16a64ba9387ef3fdae4f9c1a7f07a0997fce91985c0336f1ddc1822b3b37802"
+checksum = "a35fc5b8971143ca348fa6df4f024d4d55264f3468c71ad1c2f365b0a4d58c42"
 dependencies = [
  "thiserror-impl",
 ]
 
 [[package]]
 name = "thiserror-impl"
-version = "1.0.41"
+version = "1.0.43"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d14928354b01c4d6a4f0e549069adef399a284e7995c7ccca94e8a07a5346c59"
+checksum = "463fe12d7993d3b327787537ce8dd4dfa058de32fc2b195ef3cde03dc4771e8f"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/cumulus/client/consensus/proposer/Cargo.toml b/cumulus/client/consensus/proposer/Cargo.toml
index 43848b2f91..b8179e5c8c 100644
--- a/cumulus/client/consensus/proposer/Cargo.toml
+++ b/cumulus/client/consensus/proposer/Cargo.toml
@@ -8,7 +8,7 @@ edition = "2021"
 [dependencies]
 anyhow = "1.0"
 async-trait = "0.1.71"
-thiserror = "1.0.41"
+thiserror = "1.0.43"
 
 # Substrate
 sp-consensus = { git = "https://github.com/paritytech/substrate", branch = "master" }
diff --git a/cumulus/client/relay-chain-interface/Cargo.toml b/cumulus/client/relay-chain-interface/Cargo.toml
index 2154692187..f0799b51d5 100644
--- a/cumulus/client/relay-chain-interface/Cargo.toml
+++ b/cumulus/client/relay-chain-interface/Cargo.toml
@@ -16,6 +16,6 @@ sc-client-api = { git = "https://github.com/paritytech/substrate", branch = "mas
 
 futures = "0.3.28"
 async-trait = "0.1.71"
-thiserror = "1.0.41"
+thiserror = "1.0.43"
 jsonrpsee-core = "0.16.2"
 parity-scale-codec = "3.6.3"