diff --git a/Cargo.lock b/Cargo.lock
index d5a0376e..059fb33b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2601,7 +2601,7 @@ dependencies = [
  "sha2",
  "target-lexicon 0.12.16",
  "tempfile",
- "thiserror 1.0.69",
+ "thiserror 2.0.12",
  "tokio",
  "toml",
  "tower-lsp",
diff --git a/Cargo.toml b/Cargo.toml
index 0a8a0e2e..d0ebb68d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -42,7 +42,7 @@ serde = { version = "1.0", features = ["derive"] }
 semver = "1.0"
 walkdir = "2.0"
 sha2 = "0.10"
-thiserror = "1.0"
+thiserror = "2.0"
 dirs = "6.0"
 serde_json = "1.0"
 chrono = { version = "0.4", features = ["serde"] }