diff --git a/CHANGELOG.md b/CHANGELOG.md
index b46ca237..67965dd0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,10 +7,18 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [Unreleased]
 
+## [v0.5.1] - 2019-12-14
+
 ### Added
 
 - Added support for `ExtiPin` pin traits
 
+### Fixed
+
+- Fix SPI2 and 3 using the wrong frequency
+- Fix some problems with I2C reads anad writes
+
+
 ## [v0.5.0] - 2019-12-03
 
 ### Added
@@ -146,7 +154,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 - First tagged version
 
-[Unreleased]: https://github.com/stm32-rs/stm32f1xx-hal/compare/v0.5.0...HEAD
+[Unreleased]: https://github.com/stm32-rs/stm32f1xx-hal/compare/v0.5.1...HEAD
+[v0.5.1]: https://github.com/stm32-rs/stm32f1xx-hal/compare/v0.5.0...v0.5.1
 [v0.5.0]: https://github.com/stm32-rs/stm32f1xx-hal/compare/v0.4.0...v0.5.0
 [v0.4.0]: https://github.com/stm32-rs/stm32f1xx-hal/compare/v0.3.0...v0.4.0
 [v0.3.0]: https://github.com/stm32-rs/stm32f1xx-hal/compare/v0.2.1...v0.3.0
diff --git a/Cargo.toml b/Cargo.toml
index b9860c47..aab2dd26 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -9,7 +9,7 @@ repository = "https://github.com/stm32-rs/stm32f1xx-hal"
 documentation = "https://docs.rs/stm32f1xx-hal"
 readme = "README.md"
 edition = "2018"
-version = "0.5.0"
+version = "0.5.1"
 
 [package.metadata.docs.rs]
 features = ["stm32f103", "rt", "stm32-usbd"]
diff --git a/README.md b/README.md
index a92b29cc..7763cae6 100644
--- a/README.md
+++ b/README.md
@@ -69,7 +69,7 @@ be specified as part of the `Cargo.toml` definition.
 
 ```toml
 [dependencies.stm32f1xx-hal]
-version = "0.5.0"
+version = "0.5.1"
 features = ["stm32f100", "rt"]
 ```