diff --git a/Cargo.lock b/Cargo.lock
index 775449d..e452a38 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -9320,11 +9320,11 @@ dependencies = [
 
 [[package]]
 name = "solana-signer"
-version = "3.0.0"
+version = "3.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5bfea97951fee8bae0d6038f39a5efcb6230ecdfe33425ac75196d1a1e3e3235"
+checksum = "520bd6021163ee517f4bdc7ae03ded904f97e11320001ba0b3355f45eb14f558"
 dependencies = [
- "solana-pubkey 3.0.0",
+ "solana-pubkey 4.2.0",
  "solana-signature",
  "solana-transaction-error",
 ]