diff --git a/Cargo.lock b/Cargo.lock
index 3faf79e2..4d041edb 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -20,7 +20,7 @@ version = "0.1.0"
 dependencies = [
  "bootloader",
  "lazy_static",
- "spin",
+ "spin 0.5.2",
  "uart_16550",
  "volatile 0.2.7",
  "x86_64",
@@ -28,17 +28,17 @@ dependencies = [
 
 [[package]]
 name = "bootloader"
-version = "0.9.31"
+version = "0.9.32"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "974e79cf1b0b737839f01330fb5393095daf1124d52693696494e32523ae9ef5"
+checksum = "1ea119c3ed05625c179e09d17d0914570a3753ca09c890a73d98f6b72aea00d2"
 
 [[package]]
 name = "lazy_static"
-version = "1.4.0"
+version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
+checksum = "bbd2bcb4c963f2ddae06a2efc7e9f3591312473c50c6685e1f298068316e66fe"
 dependencies = [
- "spin",
+ "spin 0.9.8",
 ]
 
 [[package]]
@@ -47,6 +47,12 @@ version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6e63cff320ae2c57904679ba7cb63280a3dc4613885beafb148ee7bf9aa9042d"
 
+[[package]]
+name = "spin"
+version = "0.9.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6980e8d7511241f8acf4aebddbb1ff938df5eebe98691418c4468d0b72a96a67"
+
 [[package]]
 name = "uart_16550"
 version = "0.2.14"