diff --git a/Cargo.toml b/Cargo.toml
index a033b646..1f168344 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -15,7 +15,7 @@ license = "MIT/Apache-2.0"
 name = "x86_64"
 readme = "README.md"
 repository = "https://github.com/rust-osdev/x86_64"
-version = "0.15.3"
+version = "0.15.4"
 edition = "2018"
 rust-version = "1.59" # Needed to support inline asm and default const generics
 
diff --git a/Changelog.md b/Changelog.md
index 49ab71e8..b99ff78d 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -1,5 +1,20 @@
 # Unreleased
 
+# 0.15.4 – 2025-11-24
+
+## New Features
+
+- [add SMAP helpers](https://github.com/rust-osdev/x86_64/pull/566)
+- [add ability to add iomap to TSS](https://github.com/rust-osdev/x86_64/pull/194)
+
+## Fixes
+
+- [fix docs.rs build](https://github.com/rust-osdev/x86_64/pull/569)
+
+## Other Improvements
+
+- [Bump actions/checkout from 5 to 6](https://github.com/rust-osdev/x86_64/pull/571)
+
 # 0.15.3 – 2025-11-19
 
 ## New Features