diff --git a/audio/Cargo.toml b/audio/Cargo.toml
index 6c485e25..a0f95310 100644
--- a/audio/Cargo.toml
+++ b/audio/Cargo.toml
@@ -4,6 +4,7 @@ version = "0.1.0"
 authors = ["Paul Lietar <paul@lietar.net>"]
 description="The audio fetching and processing logic for librespot"
 license="MIT"
+edition = "2018"
 
 [dependencies.librespot-core]
 path = "../core"
diff --git a/audio/src/fetch.rs b/audio/src/fetch.rs
index ef68ed87..1ab6ce78 100644
--- a/audio/src/fetch.rs
+++ b/audio/src/fetch.rs
@@ -1,9 +1,9 @@
+use crate::range_set::{Range, RangeSet};
 use byteorder::{BigEndian, ByteOrder, WriteBytesExt};
 use bytes::Bytes;
 use futures::sync::{mpsc, oneshot};
 use futures::Stream;
 use futures::{Async, Future, Poll};
-use range_set::{Range, RangeSet};
 use std::cmp::{max, min};
 use std::fs;
 use std::io::{self, Read, Seek, SeekFrom, Write};
diff --git a/connect/Cargo.toml b/connect/Cargo.toml
index 270f605e..c468d2d3 100644
--- a/connect/Cargo.toml
+++ b/connect/Cargo.toml
@@ -4,6 +4,7 @@ version = "0.1.0"
 authors = ["Paul Lietar <paul@lietar.net>"]
 description="The discovery and Spotify Connect logic for librespot"
 license="MIT"
+edition = "2018"
 
 [dependencies.librespot-core]
 path = "../core"
diff --git a/core/Cargo.toml b/core/Cargo.toml
index 908b9073..9e9ccce4 100644
--- a/core/Cargo.toml
+++ b/core/Cargo.toml
@@ -5,6 +5,7 @@ authors = ["Paul Lietar <paul@lietar.net>"]
 build = "build.rs"
 description="The core functionality provided by librespot"
 license="MIT"
+edition = "2018"
 
 [dependencies.librespot-protocol]
 path = "../protocol"
diff --git a/metadata/Cargo.toml b/metadata/Cargo.toml
index 75028195..02c0f2b5 100644
--- a/metadata/Cargo.toml
+++ b/metadata/Cargo.toml
@@ -4,6 +4,7 @@ version = "0.1.0"
 authors = ["Paul Lietar <paul@lietar.net>"]
 description="The metadata logic for librespot"
 license="MIT"
+edition = "2018"
 
 [dependencies]
 byteorder = "1.3"
diff --git a/playback/Cargo.toml b/playback/Cargo.toml
index d7d1c5b5..f414d5ec 100644
--- a/playback/Cargo.toml
+++ b/playback/Cargo.toml
@@ -4,6 +4,7 @@ version = "0.1.0"
 authors = ["Sasha Hilton <sashahilton00@gmail.com>"]
 description="The audio playback logic for librespot"
 license="MIT"
+edition = "2018"
 
 [dependencies.librespot-audio]
 path = "../audio"
diff --git a/playback/src/player.rs b/playback/src/player.rs
index ba61471f..4d1ae4fb 100644
--- a/playback/src/player.rs
+++ b/playback/src/player.rs
@@ -15,15 +15,15 @@ use crate::config::{Bitrate, PlayerConfig};
 use librespot_core::session::Session;
 use librespot_core::spotify_id::SpotifyId;
 
-use audio::{AudioDecrypt, AudioFile, StreamLoaderController};
-use audio::{VorbisDecoder, VorbisPacket};
-use audio::{
+use crate::audio::{AudioDecrypt, AudioFile, StreamLoaderController};
+use crate::audio::{VorbisDecoder, VorbisPacket};
+use crate::audio::{
     READ_AHEAD_BEFORE_PLAYBACK_ROUNDTRIPS, READ_AHEAD_BEFORE_PLAYBACK_SECONDS,
     READ_AHEAD_DURING_PLAYBACK_ROUNDTRIPS, READ_AHEAD_DURING_PLAYBACK_SECONDS,
 };
-use audio_backend::Sink;
-use metadata::{AudioItem, FileFormat};
-use mixer::AudioFilter;
+use crate::audio_backend::Sink;
+use crate::metadata::{AudioItem, FileFormat};
+use crate::mixer::AudioFilter;
 
 pub struct Player {
     commands: Option<std::sync::mpsc::Sender<PlayerCommand>>,
diff --git a/protocol/Cargo.toml b/protocol/Cargo.toml
index 4c9a332b..792f5b5b 100644
--- a/protocol/Cargo.toml
+++ b/protocol/Cargo.toml
@@ -5,6 +5,7 @@ authors = ["Paul Liétar <paul@lietar.net>"]
 build = "build.rs"
 description="The protobuf logic for communicating with Spotify servers"
 license="MIT"
+edition = "2018"
 
 [dependencies]
 protobuf = "2.8.1"