diff --git a/CHANGELOG.md b/CHANGELOG.md
index cf2974e83e..889863ad2d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,8 +5,15 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [Unreleased]
 
+## [v0.1.1] - 2017-06-05
+
+### Changed
+
+- `peripherals!`: The `register_block` field is now optional
+
 ## v0.1.0 - 2017-05-09
 
 - Initial release
 
-[Unreleased]: https://github.com/japaric/cortex-m-rtfm/compare/v0.1.0...HEAD
+[Unreleased]: https://github.com/japaric/cortex-m-rtfm/compare/v0.1.1...HEAD
+[v0.1.1]: https://github.com/japaric/cortex-m-rtfm/compare/v0.1.0...v0.1.1
diff --git a/Cargo.toml b/Cargo.toml
index ec373d6910..e2cd37f31f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -10,7 +10,7 @@ keywords = ["arm", "cortex-m"]
 license = "MIT OR Apache-2.0"
 name = "cortex-m-rtfm"
 repository = "https://github.com/japaric/cortex-m-rtfm"
-version = "0.1.0"
+version = "0.1.1"
 
 [build-dependencies]
 quote = "0.3.15"