diff --git a/.cargo/config b/.cargo/config.toml
similarity index 61%
rename from .cargo/config
rename to .cargo/config.toml
index 82ee2a44..10eb1be7 100644
--- a/.cargo/config
+++ b/.cargo/config.toml
@@ -1,3 +1,6 @@
+[unstable]
+build-std = ["core", "compiler_builtins", "alloc"]
+
 [build]
 target = "x86_64-moros.json"
 
diff --git a/Cargo.lock b/Cargo.lock
index cf746cb9..485aef7a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -53,9 +53,9 @@ dependencies = [
 
 [[package]]
 name = "bootloader"
-version = "0.9.5"
+version = "0.9.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bb7239572eacd7c74ac0d6c75eb87a615058d6497a667728694e0d32b7bd5a20"
+checksum = "0ad686b9b47363de7d36c05fb6885f17d08d0f2d15b1bc782a101fe3c94a2c7c"
 
 [[package]]
 name = "byte-tools"
@@ -179,6 +179,7 @@ dependencies = [
  "pc-keyboard",
  "pic8259_simple",
  "raw-cpuid",
+ "rlibc",
  "sha2",
  "smoltcp",
  "spin",
@@ -221,9 +222,9 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.18"
+version = "1.0.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "beae6331a816b1f65d04c45b078fd8e6c93e8071771f41b8163255bbd8d7c8fa"
+checksum = "04f5f085b5d71e2188cb8271e5da0161ad52c3f227a661a3c135fdf28e258b12"
 dependencies = [
  "unicode-xid",
 ]
@@ -248,6 +249,12 @@ dependencies = [
  "rustc_version",
 ]
 
+[[package]]
+name = "rlibc"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fc874b127765f014d792f16763a81245ab80500e2ad921ed4ee9e82481ee08fe"
+
 [[package]]
 name = "rustc_version"
 version = "0.2.3"
@@ -352,9 +359,9 @@ checksum = "936e4b492acfd135421d8dca4b1aa80a7bfc26e702ef3af710e0752684df5372"
 
 [[package]]
 name = "volatile"
-version = "0.2.6"
+version = "0.2.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6af0edf5b4faacc31fc51159244d78d65ec580f021afcef7bd53c04aeabc7f29"
+checksum = "f6b06ad3ed06fef1713569d547cdbdb439eafed76341820fb0e0344f29a41945"
 
 [[package]]
 name = "vte"
diff --git a/Cargo.toml b/Cargo.toml
index 4a383857..8e11d463 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -34,3 +34,4 @@ uart_16550 = "0.2.7"
 volatile = "0.2.6"
 x86_64 = "0.11.1"
 vte = "0.8.0"
+rlibc = "1.0.0"
diff --git a/Makefile b/Makefile
index 39d4b3ca..6c53b353 100644
--- a/Makefile
+++ b/Makefile
@@ -7,7 +7,7 @@ setup:
 	rustup default nightly
 	rustup component add rust-src
 	rustup component add llvm-tools-preview
-	cargo install cargo-xbuild bootimage
+	cargo install bootimage
 
 output = vga
 keyboard = qwerty
diff --git a/README.md b/README.md
index ee7da904..0298e4ba 100644
--- a/README.md
+++ b/README.md
@@ -45,7 +45,12 @@ Install tools:
     $ rustup default nightly
     $ rustup component add rust-src
     $ rustup component add llvm-tools-preview
-    $ cargo install cargo-xbuild bootimage
+    $ cargo install bootimage
+
+Clone repo:
+
+    $ git clone https://github.com/vinc/moros
+    $ cd moros
 
 
 ## Usage
diff --git a/src/main.rs b/src/main.rs
index 01a3c47e..2005948b 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,6 +1,7 @@
 #![no_std]
 #![no_main]
 
+extern crate rlibc; // TODO: See https://github.com/rust-lang/wg-cargo-std-aware/issues/53
 extern crate alloc;
 
 use bootloader::{entry_point, BootInfo};