diff --git a/CHANGELOG.md b/CHANGELOG.md
index c17c457e..ab29e782 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Changelog for v3.x
 
+## v3.12.1 (2024-10-07)
+
+### Enhancements
+
+  * [sql] Support `:pool_count` option
+
 ## v3.12.0 (2024-08-12)
 
 ### Enhancements