diff --git a/Cargo.lock b/Cargo.lock
index d3adb25..9ae52f6 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -28,9 +28,9 @@ checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 
 [[package]]
 name = "bootloader"
-version = "0.9.19"
+version = "0.9.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b7c452074efc3c0bfb241fb7bc87df04741c7c85e926f6a07c05f8fbd6008240"
+checksum = "6b0718f186cd449b21f044683933284ed90fb83f3e13949ff0e03b0b6f02e38e"
 
 [[package]]
 name = "lazy_static"
@@ -49,9 +49,9 @@ checksum = "6e63cff320ae2c57904679ba7cb63280a3dc4613885beafb148ee7bf9aa9042d"
 
 [[package]]
 name = "uart_16550"
-version = "0.2.15"
+version = "0.2.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "65ad019480ef5ff8ffe66d6f6a259cd87cf317649481394981db1739d844f374"
+checksum = "af81448a9a53c7b0f66198381f80912fd18f2c8965f9da4319e6f92e740bca5b"
 dependencies = [
  "bitflags",
  "x86_64",
@@ -71,9 +71,9 @@ checksum = "e4c2dbd44eb8b53973357e6e207e370f0c1059990df850aca1eca8947cf464f0"
 
 [[package]]
 name = "x86_64"
-version = "0.14.6"
+version = "0.14.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bbc6ed1ed2cd4536b083c34041aff7b84448ee25ac4aa5e9d54802ce226f9815"
+checksum = "fb611915c917c6296d11e23f71ff1ecfe49c5766daba92cd3df52df6b58285b6"
 dependencies = [
  "bit_field",
  "bitflags",
diff --git a/Cargo.toml b/Cargo.toml
index bc76f58..7b81e50 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -13,10 +13,10 @@ edition = "2021"
 # panic = "abort"         # 禁用 panic 时的栈展开
 
 [dependencies]
-bootloader = "0.9.8"
+bootloader = "0.9.20"
 volatile = "0.2.6"
 spin = "0.5.2"
-x86_64 = "0.14.2"
+x86_64 = "0.14.7"
 uart_16550 = "0.2.0"
 
 [dependencies.lazy_static]