diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7ad069b..385e98c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,11 @@
+## [v0.3.9] - 2026-03-31
+
+Another tiny step forward, now with origin-al git flair.
+
+### Changed
+- Bump version to 0.3.9 in README.md.
+- Update version references in Bash and PowerShell installation scripts in README.md.
+- Update expected git diff ranges in tests to include origin prefix.
 ## [v0.3.8] - 2026-03-31
 
 Bumping to v0.3.8 with git tweaks and doc updates.