diff --git a/Cargo.lock b/Cargo.lock
index 30c8026..90df4e2 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -56,7 +56,7 @@ dependencies = [
  "serde_json",
  "sha2",
  "tempfile",
- "thiserror 1.0.69",
+ "thiserror 2.0.18",
  "tiktoken-rs",
  "tiny-skia",
  "toml",
diff --git a/Cargo.toml b/Cargo.toml
index 2b64690..e784df4 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -43,7 +43,7 @@ globset = "0.4"
 
 # Error & logging
 anyhow = "1"
-thiserror = "1"
+thiserror = "2"
 tracing = "0.1"
 tracing-subscriber = { version = "0.3", features = ["env-filter"] }