diff --git a/codex-rs/Cargo.lock b/codex-rs/Cargo.lock
index c4f0aa49..873d0a22 100644
--- a/codex-rs/Cargo.lock
+++ b/codex-rs/Cargo.lock
@@ -640,7 +640,7 @@ dependencies = [
  "pretty_assertions",
  "similar",
  "tempfile",
- "thiserror 2.0.12",
+ "thiserror 2.0.16",
  "tree-sitter",
  "tree-sitter-bash",
 ]
@@ -748,7 +748,7 @@ dependencies = [
  "similar",
  "strum_macros 0.27.2",
  "tempfile",
- "thiserror 2.0.12",
+ "thiserror 2.0.16",
  "time",
  "tokio",
  "tokio-test",
@@ -856,7 +856,7 @@ dependencies = [
  "serde_json",
  "sha2",
  "tempfile",
- "thiserror 2.0.12",
+ "thiserror 2.0.16",
  "tiny_http",
  "tokio",
  "url",
@@ -2687,7 +2687,7 @@ checksum = "b3d2ef408b88e913bfc6594f5e693d57676f6463ded7d8bf994175364320c706"
 dependencies = [
  "enumflags2",
  "libc",
- "thiserror 2.0.12",
+ "thiserror 2.0.16",
 ]
 
 [[package]]
@@ -3859,7 +3859,7 @@ checksum = "dd6f9d3d47bdd2ad6945c5015a226ec6155d0bcdfd8f7cd29f86b71f8de99d2b"
 dependencies = [
  "getrandom 0.2.16",
  "libredox",
- "thiserror 2.0.12",
+ "thiserror 2.0.16",
 ]
 
 [[package]]
@@ -4944,11 +4944,11 @@ dependencies = [
 
 [[package]]
 name = "thiserror"
-version = "2.0.12"
+version = "2.0.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "567b8a2dae586314f7be2a752ec7474332959c6460e02bde30d702a66d488708"
+checksum = "3467d614147380f2e4e374161426ff399c91084acd2363eaf549172b3d5e60c0"
 dependencies = [
- "thiserror-impl 2.0.12",
+ "thiserror-impl 2.0.16",
 ]
 
 [[package]]
@@ -4964,9 +4964,9 @@ dependencies = [
 
 [[package]]
 name = "thiserror-impl"
-version = "2.0.12"
+version = "2.0.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7f7cf42b4507d8ea322120659672cf1b9dbb93f8f2d4ecfd6e51350ff5b17a1d"
+checksum = "6c5e1be1c48b9172ee610da68fd9cd2770e7a4056cb3fc98710ee6906f0c7960"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -5403,7 +5403,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6ef1b7a6d914a34127ed8e1fa927eb7088903787bcded4fa3eef8f85ee1568be"
 dependencies = [
  "serde_json",
- "thiserror 2.0.12",
+ "thiserror 2.0.16",
  "ts-rs-macros",
  "uuid",
 ]
diff --git a/codex-rs/apply-patch/Cargo.toml b/codex-rs/apply-patch/Cargo.toml
index 84d3630c..fc8c57aa 100644
--- a/codex-rs/apply-patch/Cargo.toml
+++ b/codex-rs/apply-patch/Cargo.toml
@@ -17,7 +17,7 @@ workspace = true
 [dependencies]
 anyhow = "1"
 similar = "2.7.0"
-thiserror = "2.0.12"
+thiserror = "2.0.16"
 tree-sitter = "0.25.8"
 tree-sitter-bash = "0.25.0"
 once_cell = "1"
diff --git a/codex-rs/core/Cargo.toml b/codex-rs/core/Cargo.toml
index a4e40c7b..12f0bc62 100644
--- a/codex-rs/core/Cargo.toml
+++ b/codex-rs/core/Cargo.toml
@@ -40,7 +40,7 @@ shlex = "1.3.0"
 similar = "2.7.0"
 strum_macros = "0.27.2"
 tempfile = "3"
-thiserror = "2.0.12"
+thiserror = "2.0.16"
 time = { version = "0.3", features = ["formatting", "local-offset", "macros"] }
 tokio = { version = "1", features = [
     "io-std",
diff --git a/codex-rs/login/Cargo.toml b/codex-rs/login/Cargo.toml
index 0a357929..154924da 100644
--- a/codex-rs/login/Cargo.toml
+++ b/codex-rs/login/Cargo.toml
@@ -17,7 +17,7 @@ serde = { version = "1", features = ["derive"] }
 serde_json = "1"
 sha2 = "0.10"
 tempfile = "3"
-thiserror = "2.0.12"
+thiserror = "2.0.16"
 tiny_http = "0.12"
 tokio = { version = "1", features = [
     "io-std",