diff --git a/autorust/Cargo.lock b/autorust/Cargo.lock
index d1373f85..62a5972d 100644
--- a/autorust/Cargo.lock
+++ b/autorust/Cargo.lock
@@ -376,7 +376,7 @@ dependencies = [
  "serde_json",
  "serde_yaml",
  "syn 2.0.87",
- "thiserror",
+ "thiserror 2.0.3",
  "toml",
 ]
 
@@ -390,7 +390,7 @@ dependencies = [
  "serde",
  "serde_json",
  "serde_yaml",
- "thiserror",
+ "thiserror 2.0.3",
 ]
 
 [[package]]
@@ -2144,7 +2144,7 @@ checksum = "c7715380eec75f029a4ef7de39a9200e0a63823176b759d055b613f5a87df6a6"
 dependencies = [
  "percent-encoding",
  "serde",
- "thiserror",
+ "thiserror 1.0.69",
 ]
 
 [[package]]
@@ -2388,7 +2388,7 @@ dependencies = [
  "serde",
  "serde_derive",
  "serde_json",
- "thiserror",
+ "thiserror 1.0.69",
  "walkdir",
  "yaml-rust",
 ]
@@ -2417,18 +2417,38 @@ dependencies = [
 
 [[package]]
 name = "thiserror"
-version = "1.0.67"
+version = "1.0.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3b3c6efbfc763e64eb85c11c25320f0737cb7364c4b6336db90aa9ebe27a0bbd"
+checksum = "b6aaf5339b578ea85b50e080feb250a3e8ae8cfcdff9a461c9ec2904bc923f52"
 dependencies = [
- "thiserror-impl",
+ "thiserror-impl 1.0.69",
+]
+
+[[package]]
+name = "thiserror"
+version = "2.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c006c85c7651b3cf2ada4584faa36773bd07bac24acfb39f3c431b36d7e667aa"
+dependencies = [
+ "thiserror-impl 2.0.3",
+]
+
+[[package]]
+name = "thiserror-impl"
+version = "1.0.69"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4fee6c4efc90059e10f81e6d42c60a18f76588c3d74cb83a0b242a2b6c7504c1"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.87",
 ]
 
 [[package]]
 name = "thiserror-impl"
-version = "1.0.67"
+version = "2.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b607164372e89797d78b8e23a6d67d5d1038c1c65efd52e1389ef8b77caba2a6"
+checksum = "f077553d607adc1caf65430528a576c757a71ed73944b66ebb58ef2bbd243568"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/autorust/codegen/Cargo.toml b/autorust/codegen/Cargo.toml
index fb70e69c..5dcee6c7 100644
--- a/autorust/codegen/Cargo.toml
+++ b/autorust/codegen/Cargo.toml
@@ -29,7 +29,7 @@ qstring = "0.7"
 cargo_toml = "0.20"
 
 [dev-dependencies]
-thiserror = "1"
+thiserror = "2"
 crates_io_api = "0.11"
 
 [lints]
diff --git a/autorust/openapi/Cargo.toml b/autorust/openapi/Cargo.toml
index 755bcda2..d88e640e 100644
--- a/autorust/openapi/Cargo.toml
+++ b/autorust/openapi/Cargo.toml
@@ -15,7 +15,7 @@ publish = false
 serde = { version = "1", features = ["derive"] }
 serde_json = "1"
 indexmap = {version = "2", features = ["serde"]}
-thiserror = "1"
+thiserror = "2"
 
 [dev-dependencies]
 assert-json-diff = "2"