diff --git a/divviup/rust/Cargo.lock b/divviup/rust/Cargo.lock
index 7fe29cd..db04fd9 100644
--- a/divviup/rust/Cargo.lock
+++ b/divviup/rust/Cargo.lock
@@ -524,7 +524,7 @@ dependencies = [
  "jni",
  "prio",
  "rand",
- "thiserror 2.0.9",
+ "thiserror 2.0.11",
 ]
 
 [[package]]
@@ -1249,7 +1249,7 @@ dependencies = [
  "ring",
  "serde",
  "serde_yaml",
- "thiserror 2.0.9",
+ "thiserror 2.0.11",
  "tokio",
  "tracing",
  "trillium",
@@ -1270,7 +1270,7 @@ dependencies = [
  "prio",
  "rand",
  "serde",
- "thiserror 2.0.9",
+ "thiserror 2.0.11",
  "url",
 ]
 
@@ -2161,11 +2161,11 @@ 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]]
@@ -2181,9 +2181,9 @@ 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",
diff --git a/divviup/rust/Cargo.toml b/divviup/rust/Cargo.toml
index 445c56a..54d67cb 100644
--- a/divviup/rust/Cargo.toml
+++ b/divviup/rust/Cargo.toml
@@ -13,4 +13,4 @@ janus_messages = "0.7.2"
 jni = "0.21.1"
 prio = "0.16.7"
 rand = "0.8.5"
-thiserror = "2.0.9"
+thiserror = "2.0.11"