diff --git a/Cargo.lock b/Cargo.lock
index 4351a54..4b31ab2 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -898,7 +898,7 @@ dependencies = [
  "serde_json",
  "serde_yaml_ng",
  "tempfile",
- "thiserror 1.0.69",
+ "thiserror 2.0.19",
  "tokio",
  "toml 1.1.4+spec-1.1.0",
  "tracing",
@@ -939,7 +939,7 @@ dependencies = [
  "shlex 1.3.0",
  "sqlite-vec",
  "tempfile",
- "thiserror 1.0.69",
+ "thiserror 2.0.19",
  "tokio",
  "toml 1.1.4+spec-1.1.0",
  "tracing",
@@ -966,7 +966,7 @@ dependencies = [
  "serial_test",
  "sha2 0.11.0",
  "tempfile",
- "thiserror 1.0.69",
+ "thiserror 2.0.19",
  "tokio",
  "toml 1.1.4+spec-1.1.0",
  "tracing",
@@ -985,7 +985,7 @@ dependencies = [
  "serde",
  "serde_json",
  "tempfile",
- "thiserror 1.0.69",
+ "thiserror 2.0.19",
  "tokio",
  "tracing",
  "tracing-subscriber",
diff --git a/Cargo.toml b/Cargo.toml
index ea33d30..3ba7140 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -42,7 +42,7 @@ clap_complete = "4"
 indicatif = "0.17"
 
 # Error handling
-thiserror = "1.0"
+thiserror = "2.0"
 anyhow = "1.0"
 
 # Logging/Tracing