diff --git a/Cargo.toml b/Cargo.toml
index d22cfde..f552662 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -24,7 +24,7 @@ serde_json = "1.0.111"
 starlark = { git = "https://github.com/facebook/starlark-rust.git", branch = "main" }
 starlark_lsp = { git = "https://github.com/facebook/starlark-rust.git", branch = "main" }
 starlark_syntax = { git = "https://github.com/facebook/starlark-rust.git", branch = "main" }
-thiserror = "1.0.56"
+thiserror = "2.0.0"
 tonic = "0.10.2"
 
 [patch.crates-io]