diff --git a/CHANGELOG.md b/CHANGELOG.md
index ee8c107..c8c7a69 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,8 @@
 
 ## Unreleased
 
+## 0.3.1 (2026-10-26)
+
 ### New features
 
 - **Offsets of multi-response models**: in `Outcome`, a dict gives one