diff --git a/CHANGES.md b/CHANGES.md
index ed0a016..c3f237e 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,6 +1,8 @@
-2.12.0 (unreleased)
+2.12.0 (2023-04-17)
 -------------------
 
+* Add support for OCaml 5.1 (#421, @emillon)
+
 * Mark `prompt_continue`, `prompt_comment`, `smart_accept`, `new_prompt_hooks`,
   `at_new_prompt` as deprecated (they have been documented as such since 2012
   and most of them are ignored) (#415, @emillon)