diff --git a/CHANGELOG.md b/CHANGELOG.md
index 37b408c817..887446b20e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -18,6 +18,7 @@ IMPROVEMENTS:
   * core: Print all outputs when `terraform output` is called with no arguments [GH-2920]
   * core: In plan output summary, count resource replacement as Add/Remove instead of Change [GH-3173]
   * core: Add interpolation functions for base64 encoding and decoding. [GH-3325]
+  * core: Expose parallelism as a CLI option instead of a hard-coding the default of 10 [GH-3365]
   * provider/aws: Add `instance_initiated_shutdown_behavior` to AWS Instance [GH-2887]
   * provider/aws: Support IAM role names (previously just ARNs) in `aws_ecs_service.iam_role` [GH-3061]
   * provider/aws: Add update method to RDS Subnet groups, can modify subnets without recreating  [GH-3053]