diff --git a/Cargo.lock b/Cargo.lock
index b5a1d876..37418309 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -29,7 +29,7 @@ dependencies = [
  "nom",
  "num-traits",
  "rusticata-macros",
- "thiserror 2.0.17",
+ "thiserror 2.0.18",
  "time",
 ]
 
@@ -358,7 +358,7 @@ dependencies = [
  "pretty-hex",
  "serde",
  "serde_json",
- "thiserror 2.0.17",
+ "thiserror 2.0.18",
  "zerocopy",
 ]
 
@@ -417,7 +417,7 @@ dependencies = [
  "slog-term",
  "subprocess",
  "tempfile",
- "thiserror 2.0.17",
+ "thiserror 2.0.18",
  "tokio",
  "tokio-rustls 0.25.0",
  "tokio-tungstenite",
@@ -453,7 +453,7 @@ checksum = "dc09b90bda5770641457f1c0a42c8203c48f5a3d9799dcf1bafbd84e30ccf080"
 dependencies = [
  "pest",
  "pest_derive",
- "thiserror 2.0.17",
+ "thiserror 2.0.18",
 ]
 
 [[package]]
@@ -1480,7 +1480,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1db05f56d34358a8b1066f67cbb203ee3e7ed2ba674a6263a1d5ec6db2204323"
 dependencies = [
  "memchr",
- "thiserror 2.0.17",
+ "thiserror 2.0.18",
  "ucd-trie",
 ]
 
@@ -2377,11 +2377,11 @@ 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 2.0.17",
+ "thiserror-impl 2.0.18",
 ]
 
 [[package]]
@@ -2397,9 +2397,9 @@ dependencies = [
 
 [[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",
@@ -2811,7 +2811,7 @@ dependencies = [
  "serde",
  "serde_json",
  "syn",
- "thiserror 2.0.17",
+ "thiserror 2.0.18",
  "thread-id",
 ]
 
@@ -3288,7 +3288,7 @@ dependencies = [
  "oid-registry",
  "ring",
  "rusticata-macros",
- "thiserror 2.0.17",
+ "thiserror 2.0.18",
  "time",
 ]
 
diff --git a/dropshot/Cargo.toml b/dropshot/Cargo.toml
index 3d2dba8b..331300b6 100644
--- a/dropshot/Cargo.toml
+++ b/dropshot/Cargo.toml
@@ -43,7 +43,7 @@ slog-async = "2.8.0"
 slog-bunyan = "2.5.0"
 slog-json = "2.6.1"
 slog-term = "2.9.2"
-thiserror = "2.0.17"
+thiserror = "2.0.18"
 tokio-rustls = "0.25.0"
 toml = "0.9.11"
 waitgroup = "0.1.2"