diff --git a/CHANGELOG.md b/CHANGELOG.md
index 389625dda403..681f67c7e7b0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,7 @@ ENHANCEMENTS:
 * dependencies: updating to `v0.65.1` of `github.com/hashicorp/go-azure-helpers` [GH-24479]
 * `kusto`: updating to use the base layer from `hashicorp/go-azure-sdk` rather than `Azure/go-autorest` [GH-24477]
 * `azurerm_container_group` - support for the `priority` property [GH-24374]
+* Data Source: `azurerm_application_gateway` - support for the `trusted_client_certificate.data` property [GH-24474]
 
 ## 3.87.0 (January 11, 2024)