diff --git a/Cargo.toml b/Cargo.toml
index c6255df..0413cf7 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -4,6 +4,7 @@ version = "0.8.0"
 authors = ["shivshank"]
 description = "Quick and easy window creation, input, and high speed bitmap rendering"
 repository = "https://github.com/shivshank/mini_gl_fb"
+edition = "2018"
 
 license = "MIT"
 
diff --git a/src/breakout.rs b/src/breakout.rs
index 630818c..fdea72c 100644
--- a/src/breakout.rs
+++ b/src/breakout.rs
@@ -2,7 +2,7 @@
 //! [`Framebuffer`] object and manipulate them directly.
 
 use glutin::{WindowedContext, PossiblyCurrent, ContextError};
-use core::Framebuffer;
+use crate::core::Framebuffer;
 
 use std::collections::HashMap;
 use glutin::event::{MouseButton, VirtualKeyCode, ModifiersState};
diff --git a/src/core.rs b/src/core.rs
index dc21a98..3ace6ba 100644
--- a/src/core.rs
+++ b/src/core.rs
@@ -1,4 +1,4 @@
-use breakout::{GlutinBreakout, BasicInput};
+use crate::breakout::{GlutinBreakout, BasicInput};
 
 use rustic_gl;
 
diff --git a/src/lib.rs b/src/lib.rs
index a79889e..4eaf389 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -117,9 +117,9 @@ pub mod breakout;
 
 pub use breakout::{GlutinBreakout, BasicInput};
 pub use config::{Config, ConfigBuilder};
-pub use core::{Internal, BufferFormat, Framebuffer};
+pub use crate::core::{Internal, BufferFormat, Framebuffer};
 
-use core::ToGlType;
+use crate::core::ToGlType;
 use glutin::event_loop::EventLoop;
 use glutin::dpi::LogicalSize;