diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3f7f4206ae..7dbd35919f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,8 @@ Important changes to data models, configuration, and migrations between each
 AppEngine version, listed here to ease deployment and troubleshooting.
 
 ## Next Release (replace with git tag when deployed)
+
+## `20251015t083400-all`
  * Bump runtimeVersion to `2025.10.10`.
  * Upgraded stable Dart analysis SDK to `3.9.4`
  * Upgraded dartdoc to `9.0.0`.