diff --git a/Cargo.lock b/Cargo.lock
index 8030960..b5bb90a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -279,7 +279,7 @@ dependencies = [
  "serde",
  "serde_json",
  "tempfile",
- "thiserror 1.0.69",
+ "thiserror 2.0.17",
  "wasm-bindgen",
 ]
 
diff --git a/Cargo.toml b/Cargo.toml
index 8e04f21..e3b992e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -37,7 +37,7 @@ serde_json = "1.0"
 
 # Error handling
 anyhow = "1.0"
-thiserror = "1.0"
+thiserror = "2.0"
 miette = { version = "7.0", features = ["fancy"] }
 
 # Watch mode