diff --git a/Cargo.lock b/Cargo.lock
index f7ef90d..798e209 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -153,18 +153,18 @@ dependencies = [
 
 [[package]]
 name = "thiserror"
-version = "2.0.7"
+version = "2.0.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "93605438cbd668185516ab499d589afb7ee1859ea3d5fc8f6b0755e1c7443767"
+checksum = "f072643fd0190df67a8bab670c20ef5d8737177d6ac6b2e9a236cb096206b2cc"
 dependencies = [
  "thiserror-impl",
 ]
 
 [[package]]
 name = "thiserror-impl"
-version = "2.0.7"
+version = "2.0.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e1d8749b4531af2117677a5fcd12b1348a3fe2b81e36e61ffeac5c4aa3273e36"
+checksum = "7b50fa271071aae2e6ee85f842e2e28ba8cd2c5fb67f11fcb1fd70b276f9e7d4"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/bitfields_impl/Cargo.toml b/bitfields_impl/Cargo.toml
index f66da6c..ecb64d4 100644
--- a/bitfields_impl/Cargo.toml
+++ b/bitfields_impl/Cargo.toml
@@ -17,4 +17,4 @@ proc-macro = true
 quote = "1.0.37"
 proc-macro2 = "1.0"
 syn = { version = "2.0.91", features = ["full", "extra-traits"] }
-thiserror = "2.0.7"
+thiserror = "2.0.9"