diff --git a/ChangeLog.md b/ChangeLog.md
index 4eec556..8a9b42b 100644
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,4 +1,8 @@
-## Changes Between 2.11.0 and 2.12.0 (unreleased)
+## Changes Between 2.12.0 and 2.13.0 (under development)
+
+No changes yet.
+
+## Changes Between 2.11.0 and 2.12.0 (Dec 12, 2021)
 
 ### Support for Definition Uploads
 
@@ -18,6 +22,7 @@ GitHub issue: [#217](https://github.com/michaelklishin/rabbit-hole/pull/217)
 
 Contributed by @aitorpazos.
 
+
 ## Changes Between 2.10.0 and 2.11.0 (Sep 16, 2021)
 
 This release contains **minor breaking public API changes**.