diff --git a/kernel/Cargo.lock b/kernel/Cargo.lock
index e7232ad..eea1e41 100644
--- a/kernel/Cargo.lock
+++ b/kernel/Cargo.lock
@@ -102,7 +102,7 @@ dependencies = [
 
 [[package]]
 name = "buddy_system_allocator"
-version = "0.3.4"
+version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "spin 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -367,7 +367,7 @@ dependencies = [
  "bitmap-allocator 0.1.0 (git+https://github.com/rcore-os/bitmap-allocator)",
  "bitvec 0.11.0 (git+https://github.com/myrrlyn/bitvec.git)",
  "bootloader 0.4.0 (git+https://github.com/rcore-os/bootloader)",
- "buddy_system_allocator 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "buddy_system_allocator 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "cc 1.0.31 (registry+https://github.com/rust-lang/crates.io-index)",
  "console-traits 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "device_tree 1.0.3 (git+https://github.com/rcore-os/device_tree-rs)",
@@ -664,7 +664,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum bitvec 0.11.0 (git+https://github.com/myrrlyn/bitvec.git)" = "<none>"
 "checksum bitvec 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "cfadef5c4e2c2e64067b9ecc061179f12ac7ec65ba613b1f60f3972bbada1f5b"
 "checksum bootloader 0.4.0 (git+https://github.com/rcore-os/bootloader)" = "<none>"
-"checksum buddy_system_allocator 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)" = "94a6c0143a07fea0db2f4b43cb9540dcc7c17af8a7beafdf2184e5e4e35aae91"
+"checksum buddy_system_allocator 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)" = "59da15ef556589ee78370281d75b67f2d69ed26465ec0e0f3961e2021502426f"
 "checksum byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "a019b10a2a7cdeb292db131fc8113e57ea2a908f6e7894b0c3c671893b65dbeb"
 "checksum cc 1.0.31 (registry+https://github.com/rust-lang/crates.io-index)" = "c9ce8bb087aacff865633f0bd5aeaed910fe2fe55b55f4739527f2e023a2e53d"
 "checksum cfg-if 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)" = "11d43355396e872eefb45ce6342e4374ed7bc2b3a502d1b28e36d6e23c05d1f4"