diff --git a/CHANGELOG.md b/CHANGELOG.md
index fd7a587..c977cb1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [v0.0.4](https://github.com/monitoring-forge/sampdo/compare/v0.0.3...v0.0.4) - 2026-10-12
+
+- ci: bump the dependencies group across 1 directory with 2 updates by @dependabot[bot] in https://github.com/monitoring-forge/sampdo/pull/11
+- Sync files with `monitoring-forge/github-common` by @monitoring-forge-files-sync-action[bot] in https://github.com/monitoring-forge/sampdo/pull/13
+- Sync files with `monitoring-forge/github-common` by @monitoring-forge-files-sync-action[bot] in https://github.com/monitoring-forge/sampdo/pull/14
+- feat: add population and sample standard deviation calculations by @kazeburo in https://github.com/monitoring-forge/sampdo/pull/15
+
 ## [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
diff --git a/Makefile b/Makefile
index d2d7623..e02fcb5 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-VERSION=0.0.3
+VERSION=0.0.4
 all: check lint bench
 
 .PHONY: check lint bench