diff --git a/dogsdogsdogs/CHANGELOG.md b/dogsdogsdogs/CHANGELOG.md
index 047d3e2b1..ec308e80c 100644
--- a/dogsdogsdogs/CHANGELOG.md
+++ b/dogsdogsdogs/CHANGELOG.md
@@ -7,6 +7,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.21.1](https://github.com/TimelyDataflow/differential-dataflow/compare/differential-dogs3-v0.21.0...differential-dogs3-v0.21.1) - 2026-03-26
+
+### Other
+
+- release v0.21.1
+
 ## [0.21.0](https://github.com/TimelyDataflow/differential-dataflow/compare/differential-dogs3-v0.20.0...differential-dogs3-v0.21.0) - 2026-03-25
 
 ### Other