diff --git a/Cargo.lock b/Cargo.lock
index 1510d5d4..2dd2ad92 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -22,16 +22,17 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 name = "blog_os"
 version = "0.1.0"
 dependencies = [
- "bootloader 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bootloader 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "bootloader"
-version = "0.4.0"
+version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "fixedvec 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "font8x8 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "llvm-tools 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "usize_conversions 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "x86_64 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "xmas-elf 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -77,6 +78,11 @@ name = "libc"
 version = "0.2.48"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "llvm-tools"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "nodrop"
 version = "0.1.13"
@@ -218,13 +224,14 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum array-init 0.0.4 (registry+https://github.com/rust-lang/crates.io-index)" = "23589ecb866b460d3a0f1278834750268c607e8e28a1b982c907219f3178cd72"
 "checksum bit_field 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ed8765909f9009617974ab6b7d332625b320b33c326b1e9321382ef1999b5d56"
 "checksum bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)" = "228047a76f468627ca71776ecdebd732a3423081fcf5125585bcd7c49886ce12"
-"checksum bootloader 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "a0808c55da932b82d3ababdaa0caa3f18522c5d2d06309b98f73adda849a3f03"
+"checksum bootloader 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "a70143804c70c39473b3d7e99b870fb4f7f319f3100386f5dedf06e11e1799f0"
 "checksum fixedvec 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "7c6c16d316ccdac21a4dd648e314e76facbbaf316e83ca137d0857a9c07419d0"
 "checksum font8x8 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)" = "b81d84c3c978af7d05d31a2198af4b9ba956d819d15d8f6d58fc150e33f8dc1f"
 "checksum fuchsia-zircon 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "2e9763c69ebaae630ba35f74888db465e49e259ba1bc0eda7d06f4a067615d82"
 "checksum fuchsia-zircon-sys 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "3dcaa9ae7725d12cdb85b3ad99a434db70b468c09ded17e012d86b5c1010f7a7"
 "checksum getopts 0.2.18 (registry+https://github.com/rust-lang/crates.io-index)" = "0a7292d30132fb5424b354f5dc02512a86e4c516fe544bb7a25e7f266951b797"
 "checksum libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)" = "e962c7641008ac010fa60a7dfdc1712449f29c44ef2d4702394aea943ee75047"
+"checksum llvm-tools 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "955be5d0ca0465caf127165acb47964f911e2bc26073e865deb8be7189302faf"
 "checksum nodrop 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)" = "2f9667ddcc6cc8a43afc9b7917599d7216aa09c463919ea32c59ed6cac8bc945"
 "checksum os_bootinfo 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "66481dbeb5e773e7bd85b63cd6042c30786f834338288c5ec4f3742673db360a"
 "checksum pulldown-cmark 0.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "8361e81576d2e02643b04950e487ec172b687180da65c731c03cf336784e6c07"