diff --git a/CHANGELOG.md b/CHANGELOG.md
index 576e9df..67914a7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -52,6 +52,8 @@ All contributors (including maintainers) should update `CHANGELOG.md` when creat
 
 ## [Unreleased]
 
+## [5.1.0] - 2026-11-11
+
 ### CI
 
 - Pin this repository's own release and publish callers to the merged lag-tolerant workflow commit.
diff --git a/VERSION b/VERSION
index 6b244dc..831446c 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-5.0.1
+5.1.0