diff --git a/Cargo.lock b/Cargo.lock
index 34e4b66..00ae8e8 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -16,9 +16,9 @@ checksum = "1e4b40c7323adcfc0a41c4b88143ed58346ff65a288fc144329c5c45e05d70c6"
 
 [[package]]
 name = "bitfield-struct"
-version = "0.11.0"
+version = "0.12.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d3ca019570363e800b05ad4fd890734f28ac7b72f563ad8a35079efb793616f8"
+checksum = "8769c4854c5ada2852ddf6fd09d15cf43d4c2aaeccb4de6432f5402f08a6003b"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/Cargo.toml b/Cargo.toml
index d7d31d1..c104e96 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -15,7 +15,7 @@ rustdoc-args = ["--cfg", "docsrs"]
 
 [dependencies]
 allocator-api2 = { version = "0.3", default-features = false, features = ["alloc"], optional = true }
-bitfield-struct = "0.11"
+bitfield-struct = "0.12"
 bitflags = "2"
 endian-num = { version = "0.2", features = ["bitflags", "linux-types"] }
 num_enum = { version = "0.7", default-features = false }