diff --git a/Cargo.lock b/Cargo.lock
index 7b6a6e80..384730aa 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -23,7 +23,7 @@ dependencies = [
  "spin",
  "uart_16550",
  "volatile",
- "x86_64 0.8.3",
+ "x86_64",
 ]
 
 [[package]]
@@ -32,15 +32,6 @@ version = "0.8.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c3ed4f735c4e455ba86a3d2939b1c0729414153642106c9d035693355630a42c"
 
-[[package]]
-name = "cast"
-version = "0.2.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4b9434b9a5aa1450faa3f9cb14ea0e8c53bb5d2b3c1bfd1ab4fc03e9f33fbfb0"
-dependencies = [
- "rustc_version",
-]
-
 [[package]]
 name = "cpuio"
 version = "0.2.0"
@@ -71,30 +62,6 @@ dependencies = [
  "cpuio",
 ]
 
-[[package]]
-name = "rustc_version"
-version = "0.2.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "138e3e0acb6c9fb258b19b67cb8abd63c00679d2851805ea151465464fe9030a"
-dependencies = [
- "semver",
-]
-
-[[package]]
-name = "semver"
-version = "0.9.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1d7eb9ef2c18661902cc47e535f9bc51b78acd254da71d375c2f6720d9a40403"
-dependencies = [
- "semver-parser",
-]
-
-[[package]]
-name = "semver-parser"
-version = "0.7.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
-
 [[package]]
 name = "spin"
 version = "0.5.2"
@@ -108,7 +75,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d44b0f30cb82b0fbc15b78ade1064226529ad52028bc8cb8accb98ff6f3d7131"
 dependencies = [
  "bitflags",
- "x86_64 0.9.5",
+ "x86_64",
 ]
 
 [[package]]
@@ -117,17 +84,6 @@ version = "0.2.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6af0edf5b4faacc31fc51159244d78d65ec580f021afcef7bd53c04aeabc7f29"
 
-[[package]]
-name = "x86_64"
-version = "0.8.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5d9e3e26fcb51976eafa310e8f2b7a5a83ae8c185443efe50cbc6534a4fffa0d"
-dependencies = [
- "bit_field",
- "bitflags",
- "cast",
-]
-
 [[package]]
 name = "x86_64"
 version = "0.9.5"
diff --git a/Cargo.toml b/Cargo.toml
index 685e6662..f67f6d57 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -16,7 +16,7 @@ harness = false
 bootloader = "0.8.0"
 volatile = "0.2.6"
 spin = "0.5.2"
-x86_64 = "0.8.1"
+x86_64 = "0.9.5"
 uart_16550 = "0.2.0"
 pic8259_simple = "0.1.1"
 pc-keyboard = "0.5.0"