diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6270ab7..fd7a587 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## [v0.0.3](https://github.com/monitoring-forge/sampdo/compare/v0.0.2...v0.0.3) - 2026-09-22
+
+- optimize radixsort with simd by @kazeburo in https://github.com/monitoring-forge/sampdo/pull/8
+
 ## [v0.0.2](https://github.com/monitoring-forge/sampdo/compare/v0.0.1...v0.0.2) - 2026-09-20
 
 - CopyTo and AppendTo by @kazeburo in https://github.com/monitoring-forge/sampdo/pull/6
diff --git a/Makefile b/Makefile
index 3a9420d..d2d7623 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-VERSION=0.0.2
+VERSION=0.0.3
 all: check lint bench
 
 .PHONY: check lint bench