diff --git a/Cargo.lock b/Cargo.lock
index 44ca343..90cd559 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1452,7 +1452,7 @@ dependencies = [
  "serde_json",
  "serde_yaml",
  "tempfile",
- "thiserror 1.0.69",
+ "thiserror 2.0.17",
  "tokio",
  "tokio-modbus",
  "tokio-serial",
diff --git a/Cargo.toml b/Cargo.toml
index 2a74213..d97ecd5 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -42,7 +42,7 @@ tracing-subscriber = { version = "0.3", features = ["env-filter"] }
 
 # Error handling
 anyhow = "1.0"
-thiserror = "1.0"
+thiserror = "2.0"
 
 # Time
 chrono = { version = "0.4", features = ["serde"] }