diff --git a/Cargo.lock b/Cargo.lock
index e1d108873236..f6cad46886dd 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4618,7 +4618,7 @@ dependencies = [
  "sys-info",
  "tempfile",
  "test-case",
- "thiserror 1.0.69",
+ "thiserror 2.0.18",
  "tiktoken-rs",
  "tokenizers",
  "tokio",
@@ -4764,7 +4764,7 @@ dependencies = [
  "serde_json",
  "tempfile",
  "test-case",
- "thiserror 1.0.69",
+ "thiserror 2.0.18",
  "tokio",
  "tokio-stream",
  "tracing",
@@ -4829,7 +4829,7 @@ dependencies = [
  "serde_path_to_error",
  "serde_yaml",
  "socket2",
- "thiserror 1.0.69",
+ "thiserror 2.0.18",
  "tokio",
  "tokio-stream",
  "tokio-tungstenite 0.29.0",
diff --git a/Cargo.toml b/Cargo.toml
index e8d5ebc81389..8b3d1ab868e2 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -58,7 +58,7 @@ serde_yaml = { version = "0.9.32", default-features = false }
 shellexpand = { version = "3", default-features = false, features = ["base-0", "tilde"] }
 strum = { version = "0.28.0", default-features = false, features = ["derive", "std"] }
 tempfile = { version = "3.10.1", default-features = false }
-thiserror = { version = "1.0.49", default-features = false }
+thiserror = { version = "2.0.18", default-features = false }
 tokio = { version = "1.48", default-features = false }
 tokio-stream = { version = "0.1.16", default-features = false }
 tokio-util = { version = "0.7.12", default-features = false }