diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0009ace8dc72..fde6bdb32d79 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,10 @@ ENHANCEMENTS:
 
 * `azurerm_cognitive_deployment` - add support for the `dynamic_throttling_enabled` property [GH-28100]
 
+BUG:
+
+* `azurerm_cdn_frontdoor_origin_group` - update validation of `interval_in_seconds` to match API behaviour [GH-28143]
+
 ## 4.12.0 (November 28, 2024)
 
 FEATURES: