diff --git a/Cargo.toml b/Cargo.toml
index 84e79e9..b712604 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -12,8 +12,3 @@ members = [
 ]
 
 default-members = ["embrio"]
-
-# https://github.com/japaric/bare-metal/pull/10
-[patch.crates-io.bare-metal]
-git = "https://github.com/Nemo157/bare-metal"
-branch = "remove-old-feature"
diff --git a/embrio-core/Cargo.toml b/embrio-core/Cargo.toml
index 50e4c73..711d7f0 100644
--- a/embrio-core/Cargo.toml
+++ b/embrio-core/Cargo.toml
@@ -7,5 +7,5 @@ authors = ["Wim Looman <wim@nemo157.com>"]
 edition = "2018"
 
 [dependencies.futures-core-preview]
-git = "https://github.com/rust-lang-nursery/futures-rs"
+version = "0.3.0-alpha.5"
 default-features = false
diff --git a/embrio-core/src/io/buf_read.rs b/embrio-core/src/io/buf_read.rs
index 8f5f865..2ed571b 100644
--- a/embrio-core/src/io/buf_read.rs
+++ b/embrio-core/src/io/buf_read.rs
@@ -1,4 +1,4 @@
-use core::mem::PinMut;
+use core::pin::PinMut;
 
 use super::Read;
 
diff --git a/embrio-core/src/io/cursor.rs b/embrio-core/src/io/cursor.rs
index 8afa7aa..172c1ec 100644
--- a/embrio-core/src/io/cursor.rs
+++ b/embrio-core/src/io/cursor.rs
@@ -1,7 +1,7 @@
 use core::cmp;
 use core::fmt;
 use core::marker::Unpin;
-use core::mem::PinMut;
+use core::pin::PinMut;
 
 use futures_core::{task, Poll};
 
diff --git a/embrio-core/src/io/read.rs b/embrio-core/src/io/read.rs
index de1ce7b..510b2e3 100644
--- a/embrio-core/src/io/read.rs
+++ b/embrio-core/src/io/read.rs
@@ -1,6 +1,6 @@
 use core::cmp;
 use core::fmt::Debug;
-use core::mem::PinMut;
+use core::pin::PinMut;
 
 use futures_core::{task, Poll};
 
diff --git a/embrio-core/src/io/void.rs b/embrio-core/src/io/void.rs
index cec1542..1e68721 100644
--- a/embrio-core/src/io/void.rs
+++ b/embrio-core/src/io/void.rs
@@ -1,4 +1,4 @@
-use core::mem::PinMut;
+use core::pin::PinMut;
 use crate::io::Write;
 use futures_core::{task, Poll};
 
diff --git a/embrio-core/src/io/write.rs b/embrio-core/src/io/write.rs
index aade4ec..98804e0 100644
--- a/embrio-core/src/io/write.rs
+++ b/embrio-core/src/io/write.rs
@@ -1,5 +1,5 @@
 use core::fmt::Debug;
-use core::{cmp, mem, mem::PinMut};
+use core::{cmp, mem, pin::PinMut};
 
 use futures_core::{task, Poll};
 
diff --git a/embrio-executor/Cargo.toml b/embrio-executor/Cargo.toml
index 4975d25..dffde95 100644
--- a/embrio-executor/Cargo.toml
+++ b/embrio-executor/Cargo.toml
@@ -6,15 +6,16 @@ version = "0.1.0"
 authors = ["Wim Looman <wim@nemo157.com>"]
 edition = "2018"
 
-[dependencies]
-pin-utils = { version = "0.1.0-alpha.1", default-features = false }
+[dependencies.pin-utils]
+version = "0.1.0-alpha.2"
+default-features = false
 
 [dependencies.futures-core-preview]
-git = "https://github.com/rust-lang-nursery/futures-rs"
+version = "0.3.0-alpha.5"
 default-features = false
 
 [dependencies.futures-util-preview]
-git = "https://github.com/rust-lang-nursery/futures-rs"
+version = "0.3.0-alpha.5"
 default-features = false
 features = ["nightly"]
 
diff --git a/embrio-native/Cargo.toml b/embrio-native/Cargo.toml
index 0780f83..8a568b6 100644
--- a/embrio-native/Cargo.toml
+++ b/embrio-native/Cargo.toml
@@ -10,5 +10,5 @@ edition = "2018"
 embrio-core = { path = "../embrio-core" }
 
 [dependencies.futures-core-preview]
-git = "https://github.com/rust-lang-nursery/futures-rs"
+version = "0.3.0-alpha.5"
 default-features = false
diff --git a/embrio-native/src/io.rs b/embrio-native/src/io.rs
index 69b2e36..d2b499f 100644
--- a/embrio-native/src/io.rs
+++ b/embrio-native/src/io.rs
@@ -1,6 +1,6 @@
 use std::io as stdio;
 use std::marker::Unpin;
-use std::mem::PinMut;
+use std::pin::PinMut;
 use embrio_core::io as embrio;
 use futures_core::{task, Poll};
 
diff --git a/embrio-native/src/lib.rs b/embrio-native/src/lib.rs
index c83c06f..2a4d43a 100644
--- a/embrio-native/src/lib.rs
+++ b/embrio-native/src/lib.rs
@@ -1,4 +1,4 @@
-#![feature(arbitrary_self_types, catch_expr, futures_api, pin)]
+#![feature(arbitrary_self_types, futures_api, pin)]
 
 use embrio_core::io::{Read, Write};
 
diff --git a/embrio-nrf51/Cargo.toml b/embrio-nrf51/Cargo.toml
index 73c7907..dbd16fb 100644
--- a/embrio-nrf51/Cargo.toml
+++ b/embrio-nrf51/Cargo.toml
@@ -7,7 +7,7 @@ authors = ["Wim Looman <wim@nemo157.com>"]
 edition = "2018"
 
 [dependencies]
-cortex-m = "0.5.3"
+cortex-m = "0.5.6"
 nrf51 = "0.5.0"
 
 [dependencies.embrio-core]
@@ -17,18 +17,10 @@ path = "../embrio-core"
 path = "../embrio-executor"
 
 [dependencies.futures-core-preview]
-git = "https://github.com/rust-lang-nursery/futures-rs"
+version = "0.3.0-alpha.5"
 default-features = false
 
 [dependencies.futures-util-preview]
-git = "https://github.com/rust-lang-nursery/futures-rs"
+version = "0.3.0-alpha.5"
 default-features = false
 features = ["nightly"]
-
-[features]
-default = []
-
-# https://github.com/japaric/bare-metal/pull/10
-[patch.crates-io.bare-metal]
-git = "https://github.com/Nemo157/bare-metal"
-branch = "remove-old-feature"
diff --git a/embrio-nrf51/src/timer/timer0.rs b/embrio-nrf51/src/timer/timer0.rs
index eed19a2..0a5ecf6 100644
--- a/embrio-nrf51/src/timer/timer0.rs
+++ b/embrio-nrf51/src/timer/timer0.rs
@@ -1,4 +1,4 @@
-use core::{mem::PinMut, time::Duration, cell::RefCell};
+use core::{pin::PinMut, time::Duration, cell::RefCell};
 use futures_core::{task::{self, Poll, Waker}, future::Future, stream::Stream};
 use nrf51::{TIMER0, Interrupt};
 use cortex_m::{peripheral::NVIC, interrupt::{free, Mutex}};
diff --git a/embrio-nrf51/src/timer/timer1.rs b/embrio-nrf51/src/timer/timer1.rs
index 9110729..c36340e 100644
--- a/embrio-nrf51/src/timer/timer1.rs
+++ b/embrio-nrf51/src/timer/timer1.rs
@@ -1,4 +1,4 @@
-use core::{mem::PinMut, time::Duration, cell::RefCell};
+use core::{pin::PinMut, time::Duration, cell::RefCell};
 use futures_core::{task::{self, Poll, Waker}, future::Future, stream::Stream};
 use nrf51::{TIMER1, Interrupt};
 use cortex_m::{peripheral::NVIC, interrupt::{free, Mutex}};
diff --git a/embrio-nrf51/src/uart.rs b/embrio-nrf51/src/uart.rs
index a29a7ca..276f504 100644
--- a/embrio-nrf51/src/uart.rs
+++ b/embrio-nrf51/src/uart.rs
@@ -1,4 +1,4 @@
-use core::{cmp, mem::PinMut, cell::RefCell, marker::PhantomData};
+use core::{cmp, pin::PinMut, cell::RefCell, marker::PhantomData};
 use futures_core::task::{self, Poll, Waker};
 use embrio_core::io;
 use cortex_m::{peripheral::NVIC, interrupt::{free, Mutex}};
diff --git a/embrio-util/Cargo.toml b/embrio-util/Cargo.toml
index d07db41..5ad938f 100644
--- a/embrio-util/Cargo.toml
+++ b/embrio-util/Cargo.toml
@@ -11,11 +11,11 @@ embrio-core = { path = "../embrio-core" }
 memchr = { version = "2.0.1", default-features = false }
 
 [dependencies.futures-core-preview]
-git = "https://github.com/rust-lang-nursery/futures-rs"
+version = "0.3.0-alpha.5"
 default-features = false
 
 [dependencies.futures-util-preview]
-git = "https://github.com/rust-lang-nursery/futures-rs"
+version = "0.3.0-alpha.5"
 default-features = false
 features = ["nightly"]
 
diff --git a/embrio-util/src/io/buf_reader.rs b/embrio-util/src/io/buf_reader.rs
index 9469269..865e9c3 100644
--- a/embrio-util/src/io/buf_reader.rs
+++ b/embrio-util/src/io/buf_reader.rs
@@ -1,4 +1,4 @@
-use core::mem::PinMut;
+use core::pin::PinMut;
 
 use futures_core::task::{self, Poll};
 use futures_util::ready;
diff --git a/embrio-util/src/io/close.rs b/embrio-util/src/io/close.rs
index fe21ae8..77a3aa3 100644
--- a/embrio-util/src/io/close.rs
+++ b/embrio-util/src/io/close.rs
@@ -1,4 +1,4 @@
-use core::mem::PinMut;
+use core::pin::PinMut;
 
 use futures_core::future::Future;
 use futures_util::future::poll_fn;
diff --git a/embrio-util/src/io/flush.rs b/embrio-util/src/io/flush.rs
index 172c2bc..c09bfcf 100644
--- a/embrio-util/src/io/flush.rs
+++ b/embrio-util/src/io/flush.rs
@@ -1,4 +1,4 @@
-use core::mem::PinMut;
+use core::pin::PinMut;
 
 use futures_core::future::Future;
 use futures_util::future::poll_fn;
diff --git a/embrio-util/src/io/read_exact.rs b/embrio-util/src/io/read_exact.rs
index 929be8d..be72967 100644
--- a/embrio-util/src/io/read_exact.rs
+++ b/embrio-util/src/io/read_exact.rs
@@ -1,4 +1,4 @@
-use core::mem::PinMut;
+use core::pin::PinMut;
 
 use futures_core::future::Future;
 use futures_core::task::Poll;
diff --git a/embrio-util/src/io/read_until.rs b/embrio-util/src/io/read_until.rs
index 6bcb353..d8af9df 100644
--- a/embrio-util/src/io/read_until.rs
+++ b/embrio-util/src/io/read_until.rs
@@ -1,5 +1,5 @@
 use core::cmp;
-use core::mem::PinMut;
+use core::pin::PinMut;
 
 use futures_core::future::Future;
 use futures_core::task::Poll;
diff --git a/embrio-util/src/io/write_all.rs b/embrio-util/src/io/write_all.rs
index 5d2a06c..afa53d1 100644
--- a/embrio-util/src/io/write_all.rs
+++ b/embrio-util/src/io/write_all.rs
@@ -1,4 +1,4 @@
-use core::mem::PinMut;
+use core::pin::PinMut;
 
 use futures_core::future::Future;
 use futures_core::task::Poll;
diff --git a/examples/apps/hello/src/lib.rs b/examples/apps/hello/src/lib.rs
index fdf31c7..3ae59b9 100644
--- a/examples/apps/hello/src/lib.rs
+++ b/examples/apps/hello/src/lib.rs
@@ -10,7 +10,7 @@
     pin,
 )]
 
-use core::{future::Future, task::{self, Poll}, ptr::NonNull, mem::PinMut, ops::{Generator, GeneratorState}, cell::UnsafeCell};
+use core::{future::Future, task::{self, Poll}, ptr::NonNull, pin::PinMut, ops::{Generator, GeneratorState}, cell::UnsafeCell};
 use embrio::io::{self, Read, Write, BufReader};
 use pin_utils::pin_mut;