diff --git a/Cargo.lock b/Cargo.lock
index bd9ce2c..a232a84 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -54,9 +54,9 @@ dependencies = [
 
 [[package]]
 name = "bitfield-struct"
-version = "0.12.1"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8769c4854c5ada2852ddf6fd09d15cf43d4c2aaeccb4de6432f5402f08a6003b"
+checksum = "3ca6739863c590881f038d033a146c51ddae239186a4327014839fd864f44ed5"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/Cargo.toml b/Cargo.toml
index 2333155..6628660 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,7 +14,7 @@ version = "1.6.1"
 crate-type = ["rlib", "staticlib", "cdylib"]
 
 [dependencies]
-bitfield-struct = "0.12.1"
+bitfield-struct = "0.13.0"
 clap = { version = "4.6.0", features = ["derive"] }
 unchecked-index = "0.2.2"