diff --git a/Cargo.lock b/Cargo.lock
index 26e40cc6..ff750c13 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -30,9 +30,9 @@ dependencies = [
 
 [[package]]
 name = "bootloader"
-version = "0.9.9"
+version = "0.9.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dd6d8b0a125f7c1be168f6fd21d12c84148a807ef4896df8215a5607f9b2a9b4"
+checksum = "8c5c959bf675ba4d842740373760b2aeb5b8f5457451cd18370b4c339d4926e9"
 
 [[package]]
 name = "cpuio"
@@ -111,9 +111,9 @@ dependencies = [
 
 [[package]]
 name = "uart_16550"
-version = "0.2.7"
+version = "0.2.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e58fc40dc1712664fc9b0a7bd8ca2f21ab49960924fb245a80a05e1e92f3dfe9"
+checksum = "74cba8625e8a1ec064fc6440aef7921ff21b06f1ed60dd603cb1b1d5e0dfcd46"
 dependencies = [
  "bitflags",
  "x86_64",
@@ -127,9 +127,9 @@ checksum = "f6b06ad3ed06fef1713569d547cdbdb439eafed76341820fb0e0344f29a41945"
 
 [[package]]
 name = "x86_64"
-version = "0.11.8"
+version = "0.12.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5fa1f02f6b33489502afe477f7d428cfa1eee22d4a10966e95dfeed96c523d46"
+checksum = "238a5798f77641af3c4f242bf985807f312a480cd4e35ed7255fad4b2ccb9d4f"
 dependencies = [
  "bit_field",
  "bitflags",
diff --git a/Cargo.toml b/Cargo.toml
index 0d0d4349..6e8fdff8 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -17,7 +17,7 @@ bootloader = { version = "0.9.8", features = ["map_physical_memory"]}
 rlibc = "1.0.0"
 volatile = "0.2.6"
 spin = "0.5.2"
-x86_64 = "0.11.0"
+x86_64 = "0.12.1"
 uart_16550 = "0.2.0"
 pic8259_simple = "0.2.0"
 pc-keyboard = "0.5.0"