diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3f33cd836e..a2f105ca53 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,10 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [Unreleased]
 
+## [v0.5.4] - 2020-08-26
+
+- **Soundness fix in RTIC**, it was previously possible to get the `cortex_m::Peripherals` more than once, causing UB.
+
 ## [v0.5.3] - 2020-06-12
 
 - Added migration guide from `cortex-m-rtfm` to `cortex-m-rtic`
@@ -319,7 +323,8 @@ Yanked due to a soundness issue in `init`; the issue has been mostly fixed in v0
 
 - Initial release
 
-[Unreleased]: https://github.com/rtic-rs/cortex-m-rtic/compare/v0.5.3...HEAD
+[Unreleased]: https://github.com/rtic-rs/cortex-m-rtic/compare/v0.5.4...HEAD
+[v0.5.4]: https://github.com/rtic-rs/cortex-m-rtic/compare/v0.5.3...v0.5.4
 [v0.5.3]: https://github.com/rtic-rs/cortex-m-rtic/compare/v0.5.2...v0.5.3
 [v0.5.2]: https://github.com/rtic-rs/cortex-m-rtic/compare/v0.5.1...v0.5.2
 [v0.5.1]: https://github.com/rtic-rs/cortex-m-rtic/compare/v0.5.0...v0.5.1
diff --git a/Cargo.toml b/Cargo.toml
index 04670b9897..0e96e3922b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -13,7 +13,7 @@ license = "MIT OR Apache-2.0"
 name = "cortex-m-rtic"
 readme = "README.md"
 repository = "https://github.com/rtic-rs/cortex-m-rtic"
-version = "0.5.3"
+version = "0.5.4"
 
 [lib]
 name = "rtic"
@@ -52,7 +52,7 @@ required-features = ["__v7"]
 
 [dependencies]
 cortex-m = "0.6.2"
-cortex-m-rtic-macros = { path = "macros", version = "0.5.0" }
+cortex-m-rtic-macros = { path = "macros", version = "0.5.1" }
 rtic-core = "0.3.0"
 cortex-m-rt = "0.6.9"
 heapless = "0.5.0"
diff --git a/macros/Cargo.toml b/macros/Cargo.toml
index 2a4e4c82ae..c628a2a155 100644
--- a/macros/Cargo.toml
+++ b/macros/Cargo.toml
@@ -12,7 +12,7 @@ license = "MIT OR Apache-2.0"
 name = "cortex-m-rtic-macros"
 readme = "../README.md"
 repository = "https://github.com/rtic-rs/cortex-m-rtic"
-version = "0.5.0"
+version = "0.5.1"
 
 [lib]
 proc-macro = true