diff --git a/Cargo.lock b/Cargo.lock
index b734daac3..0c55fa726 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -312,9 +312,9 @@ dependencies = [
 
 [[package]]
 name = "bitfield-struct"
-version = "0.5.4"
+version = "0.5.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eac32db62a43cf33353ce30b4a208b08193ea2086a1c6c004acb0073c706a29d"
+checksum = "a26b8cea8bb6a81b75a84603b9e096f05fa86db057904ef29be1deee900532bd"
 dependencies = [
  "proc-macro2",
  "quote",