diff --git a/Cargo.lock b/Cargo.lock
index 8755f1cd..b603db9d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2195,7 +2195,7 @@ dependencies = [
  "serde_json",
  "tempfile",
  "test-common",
- "thiserror 2.0.9",
+ "thiserror 2.0.11",
  "tokio",
  "toml",
  "toml_edit",
@@ -2516,7 +2516,7 @@ dependencies = [
  "serde",
  "serde_json",
  "syn 2.0.95",
- "thiserror 2.0.9",
+ "thiserror 2.0.11",
  "typify",
  "unicode-ident",
 ]
@@ -2534,7 +2534,7 @@ dependencies = [
  "rustc-hash",
  "rustls 0.23.20",
  "socket2",
- "thiserror 2.0.9",
+ "thiserror 2.0.11",
  "tokio",
  "tracing",
 ]
@@ -2553,7 +2553,7 @@ dependencies = [
  "rustls 0.23.20",
  "rustls-pki-types",
  "slab",
- "thiserror 2.0.9",
+ "thiserror 2.0.11",
  "tinyvec",
  "tracing",
  "web-time",
@@ -3466,11 +3466,11 @@ dependencies = [
 
 [[package]]
 name = "thiserror"
-version = "2.0.9"
+version = "2.0.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f072643fd0190df67a8bab670c20ef5d8737177d6ac6b2e9a236cb096206b2cc"
+checksum = "d452f284b73e6d76dd36758a0c8684b1d5be31f92b89d07fd5822175732206fc"
 dependencies = [
- "thiserror-impl 2.0.9",
+ "thiserror-impl 2.0.11",
 ]
 
 [[package]]
@@ -3486,9 +3486,9 @@ dependencies = [
 
 [[package]]
 name = "thiserror-impl"
-version = "2.0.9"
+version = "2.0.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7b50fa271071aae2e6ee85f842e2e28ba8cd2c5fb67f11fcb1fd70b276f9e7d4"
+checksum = "26afc1baea8a989337eeb52b6e72a039780ce45c3edfcc9c5b9d112feeb173c2"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -3823,7 +3823,7 @@ dependencies = [
  "serde",
  "serde_json",
  "syn 2.0.95",
- "thiserror 2.0.9",
+ "thiserror 2.0.11",
  "unicode-ident",
 ]
 
diff --git a/Cargo.toml b/Cargo.toml
index 6f333701..f63cdf6c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -54,7 +54,7 @@ serde = { version = "1.0.217", features = ["derive"] }
 serde_json = "1.0.135"
 similar = "2.6.0"
 tabwriter = "1.4.1"
-thiserror = "2.0.9"
+thiserror = "2.0.11"
 tempfile = "3.15.0"
 test-common = { path = "test-common" }
 thouart = { git = "https://github.com/oxidecomputer/thouart" }