diff --git a/Cargo.lock b/Cargo.lock
index 7c08e19..059d748 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -668,7 +668,7 @@ dependencies = [
  "slog-bunyan",
  "slog-json",
  "slog-term",
- "thiserror 2.0.8",
+ "thiserror 2.0.9",
  "tokio",
  "tokio-rustls 0.25.0",
  "toml",
@@ -1601,7 +1601,7 @@ dependencies = [
  "slog-term",
  "test-context",
  "testresult",
- "thiserror 2.0.8",
+ "thiserror 2.0.9",
  "tokio",
  "tokio-serial",
  "toml",
@@ -3069,11 +3069,11 @@ dependencies = [
 
 [[package]]
 name = "thiserror"
-version = "2.0.8"
+version = "2.0.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "08f5383f3e0071702bf93ab5ee99b52d26936be9dedd9413067cbdcddcb6141a"
+checksum = "f072643fd0190df67a8bab670c20ef5d8737177d6ac6b2e9a236cb096206b2cc"
 dependencies = [
- "thiserror-impl 2.0.8",
+ "thiserror-impl 2.0.9",
 ]
 
 [[package]]
@@ -3089,9 +3089,9 @@ dependencies = [
 
 [[package]]
 name = "thiserror-impl"
-version = "2.0.8"
+version = "2.0.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f2f357fcec90b3caef6623a099691be676d033b40a058ac95d2a6ade6fa0c943"
+checksum = "7b50fa271071aae2e6ee85f842e2e28ba8cd2c5fb67f11fcb1fd70b276f9e7d4"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/Cargo.toml b/Cargo.toml
index 7b6e594..074a21c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -53,7 +53,7 @@ slog = "2.7.0"
 slog-async = "2.7.0"
 slog-json = "2.6.1"
 slog-term = "2.9.1"
-thiserror = "2.0.8"
+thiserror = "2.0.9"
 tokio = { version = "1", features = ["rt-multi-thread", "macros", "time", "net"] }
 tokio-serial = { version = "5", optional = true, features = ["tokio-util", "libudev"] }
 toml = "0.8.19"