diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9a19eee47ae7..f41a746dd431 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -22,6 +22,7 @@ BUG FIXES:
 * `azurerm_function_app` - set a default value for `os_type` and allow a blank string to be specified as per documentation [GH-12482]
 * `azurerm_postgresql_flexible_server` - add new computed property `private_dns_zone_id` to work around a upcomming breaking change in the API [GH-12288]
 * `azurerm_mssql_database` - don't allow license_type to be set for serverless SQL databases [GH-12555]
+* `azurerm_subnet_network_security_group_association` fix potential deadlock when using multiple association resources. [GH-12267]
 
 ## 2.67.0 (July 09, 2021)