diff --git a/CHANGELOG.md b/CHANGELOG.md
index 901035b..88b033e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [0.15.1] - 2023-05-13
+### Fixed
+- Changed the `Error` and `ErrorKind` types from private to public.
+
 ## [0.15.0] - 2023-04-22
 ### Changed
 - Updated the alpha release of `embedded-hal` from `1.0.0-alpha.9` to `1.0.0-alpha.10`.
@@ -135,7 +139,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ## [0.1.0] - 2020-09-12
 - Initial release
 
-[Unreleased]: https://github.com/ftdi-rs/ftdi-embedded-hal/compare/v0.15.0...HEAD
+[Unreleased]: https://github.com/ftdi-rs/ftdi-embedded-hal/compare/v0.15.1...HEAD
+[0.15.1]: https://github.com/ftdi-rs/ftdi-embedded-hal/compare/v0.15.0...v0.15.1
 [0.15.0]: https://github.com/ftdi-rs/ftdi-embedded-hal/compare/v0.14.0...v0.15.0
 [0.14.0]: https://github.com/ftdi-rs/ftdi-embedded-hal/compare/v0.13.0...v0.14.0
 [0.13.0]: https://github.com/ftdi-rs/ftdi-embedded-hal/compare/v0.12.0...v0.13.0
diff --git a/Cargo.toml b/Cargo.toml
index 7ffe9ba..7917c16 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "ftdi-embedded-hal"
-version = "0.15.0"
+version = "0.15.1"
 authors = ["Alex Martens <alex@thinglab.org>"]
 description = "embedded-hal implementation for FTDI USB devices."
 keywords = ["ftdi", "usb", "io", "hal"]
diff --git a/README.md b/README.md
index 7ebfd68..edd8c14 100644
--- a/README.md
+++ b/README.md
@@ -25,7 +25,7 @@ FTDI device into the [embedded-hal] traits.
 
 ```toml
 [dependencies.ftdi-embedded-hal]
-version = "0.15.0"
+version = "0.15.1"
 features = ["libftd2xx", "libftd2xx-static"]
 ```
 
diff --git a/src/error.rs b/src/error.rs
index c6e6441..9f706ef 100644
--- a/src/error.rs
+++ b/src/error.rs
@@ -1,39 +1,29 @@
 use std::fmt;
 use std::io;
 
-/// HAL error type combines 3 types of errors:
-/// * internal HAL errors
-/// * I/O errors
-/// * FTDI drivers errors
+/// Error type.
 #[derive(Debug)]
 pub enum Error<E: std::error::Error> {
+    /// ftdi-embedded-hal implementation specific error.
     Hal(ErrorKind),
+    /// IO error.
     Io(io::Error),
+    /// Backend specific error.
     Backend(E),
 }
 
 /// Internal HAL errors
 #[derive(Clone, Copy, Debug, Eq, PartialEq)]
+#[non_exhaustive]
 pub enum ErrorKind {
-    InvalidParams,
-    InvalidClock,
-    BusBusy,
+    /// No ACK from the I2C slave
     I2cNoAck,
-    GpioPinBusy,
-    GpioInvalidPin,
-    SpiModeNotSupported,
 }
 
 impl ErrorKind {
     fn as_str(&self) -> &str {
         match *self {
-            ErrorKind::InvalidParams => "Invalid input params",
-            ErrorKind::BusBusy => "Bus is busy",
-            ErrorKind::InvalidClock => "Clock is not valid",
             ErrorKind::I2cNoAck => "No ACK from slave",
-            ErrorKind::GpioPinBusy => "GPIO pin is already in use",
-            ErrorKind::GpioInvalidPin => "No such GPIO pin",
-            ErrorKind::SpiModeNotSupported => "Mode not supported",
         }
     }
 }
diff --git a/src/lib.rs b/src/lib.rs
index 05be332..58e0642 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -18,7 +18,7 @@
 //!
 //! ```toml
 //! [dependencies.ftdi-embedded-hal]
-//! version = "0.15.0"
+//! version = "0.15.1"
 //! features = ["libftd2xx", "libftd2xx-static"]
 //! ```
 //!
@@ -158,7 +158,7 @@ mod gpio;
 mod i2c;
 mod spi;
 
-use crate::error::Error;
+pub use crate::error::{Error, ErrorKind};
 pub use delay::Delay;
 pub use gpio::{InputPin, OutputPin};
 pub use i2c::I2c;