diff --git a/Cargo.lock b/Cargo.lock
index 8e7a76e..d2d475f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1351,18 +1351,18 @@ dependencies = [
 
 [[package]]
 name = "thiserror"
-version = "2.0.17"
+version = "2.0.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f63587ca0f12b72a0600bcba1d40081f830876000bb46dd2337a3051618f4fc8"
+checksum = "4288b5bcbc7920c07a1149a35cf9590a2aa808e0bc1eafaade0b80947865fbc4"
 dependencies = [
  "thiserror-impl",
 ]
 
 [[package]]
 name = "thiserror-impl"
-version = "2.0.17"
+version = "2.0.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3ff15c8ecd7de3849db632e14d18d2571fa09dfc5ed93479bc4485c7a517c913"
+checksum = "ebc4ee7f67670e9b64d05fa4253e753e016c6c95ff35b89b7941d6b856dec1d5"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/Cargo.toml b/Cargo.toml
index 69695e4..1e0fdf8 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -40,7 +40,7 @@ lunc_token = { path = "compiler/lunc_token" }
 lunc_utils = { path = "compiler/lunc_utils" }
 
 # other dependencies
-thiserror = "2.0.17"
+thiserror = "2.0.18"
 codespan-reporting = "0.12.0"
 half = "2.6.0"
 termcolor = "1.4.1"