diff --git a/Cargo.lock b/Cargo.lock
index 6a4444a0..db539211 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4153,18 +4153,18 @@ checksum = "0066c8d12af8b5acd21e00547c3797fde4e8677254a7ee429176ccebbe93dd80"
 
 [[package]]
 name = "thiserror"
-version = "1.0.37"
+version = "1.0.38"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "10deb33631e3c9018b9baf9dcbbc4f737320d2b576bac10f6aefa048fa407e3e"
+checksum = "6a9cd18aa97d5c45c6603caea1da6628790b37f7a34b6ca89522331c5180fed0"
 dependencies = [
  "thiserror-impl",
 ]
 
 [[package]]
 name = "thiserror-impl"
-version = "1.0.37"
+version = "1.0.38"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "982d17546b47146b28f7c22e3d08465f6b8903d0ea13c1660d9d84a6e7adcdbb"
+checksum = "1fb327af4685e4d03fa8cbcf1716380da910eeb2bb8be417e7f9fd3fb164f36f"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/ethers-signers/Cargo.toml b/ethers-signers/Cargo.toml
index 21563063..02c2bab1 100644
--- a/ethers-signers/Cargo.toml
+++ b/ethers-signers/Cargo.toml
@@ -16,7 +16,7 @@ rustdoc-args = ["--cfg", "docsrs"]
 
 [dependencies]
 ethers-core = { version = "^1.0.0", path = "../ethers-core", features = ["eip712"] }
-thiserror = { version = "1.0.37", default-features = false }
+thiserror = { version = "1.0.38", default-features = false }
 coins-bip32 = "0.7.0"
 coins-bip39 = "0.7.0"
 coins-ledger = { version = "0.7.0", default-features = false, optional = true }