diff --git a/CHANGELOG.md b/CHANGELOG.md
index 78316fd4b397..d46c81074e6f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -26,6 +26,7 @@ IMPROVEMENTS:
 * dependencies: upgrading to v11.4.0 of `github.com/Azure/go-autorest` [GH-2886]
 * `azurerm_application_gateway` - support for setting `path` within the `backend_http_settings` block [GH-2879]
 * `azurerm_application_gateway` - support for setting `connection_draining` to the `backend_http_settings` [GH-2778]
+* `azurerm_container_group` - support for specifying the `diagnostics` block [GH-2763]
 * `azurerm_iothub` - support for the `fallback_route` property [GH-2764]
 * `azurerm_key_vault` - support for 1024 `access_policy` blocks [GH-2866]
 * `azurerm_redis_cache` - support for configuring the `maxfragmentationmemory_reserved` in the `redis_configuration` block [GH-2887]