diff --git a/Cargo.lock b/Cargo.lock
index 688ddf5..3d4eae6 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1054,7 +1054,7 @@ dependencies = [
  "pretty_assertions",
  "rayon",
  "tempfile",
- "thiserror 2.0.7",
+ "thiserror 2.0.9",
  "topiary-core",
  "topiary-tree-sitter-facade",
  "tree-sitter-spicy",
@@ -1173,11 +1173,11 @@ dependencies = [
 
 [[package]]
 name = "thiserror"
-version = "2.0.7"
+version = "2.0.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "93605438cbd668185516ab499d589afb7ee1859ea3d5fc8f6b0755e1c7443767"
+checksum = "f072643fd0190df67a8bab670c20ef5d8737177d6ac6b2e9a236cb096206b2cc"
 dependencies = [
- "thiserror-impl 2.0.7",
+ "thiserror-impl 2.0.9",
 ]
 
 [[package]]
@@ -1193,9 +1193,9 @@ dependencies = [
 
 [[package]]
 name = "thiserror-impl"
-version = "2.0.7"
+version = "2.0.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e1d8749b4531af2117677a5fcd12b1348a3fe2b81e36e61ffeac5c4aa3273e36"
+checksum = "7b50fa271071aae2e6ee85f842e2e28ba8cd2c5fb67f11fcb1fd70b276f9e7d4"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/Cargo.toml b/Cargo.toml
index 51b5ca2..83d1719 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -12,7 +12,7 @@ tree-sitter-spicy = { git = "https://github.com/bbannier/tree-sitter-spicy" }
 topiary-core = { git = "https://github.com/tweag/topiary.git", rev = "1dbf717ed4b8b4347dd96331d0cea64d3a23f9b3" }
 topiary-tree-sitter-facade = { git = "https://github.com/tweag/topiary.git", rev = "1dbf717ed4b8b4347dd96331d0cea64d3a23f9b3" }
 clap = { version = "4.5.23", features = ["std", "derive", "help"], default-features = false }
-thiserror = "2.0.7"
+thiserror = "2.0.9"
 miette = { version = "7.4.0", default-features = false, features = ["derive", "fancy"] }
 rayon = "1.10.0"