diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1c9e1898556..56004fdb1c1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,7 @@
 
 FEATURES:
 
+* **New Data Source:** `aws_sfn_activity` [GH-11080]
 * **New Data Source:** `aws_sfn_state_machine` [GH-10932]
 * **New Resource:** `aws_ec2_traffic_mirror_filter` [GH-9372]
 * **New Resource:** `aws_ec2_traffic_mirror_filter_rule` [GH-9372]