diff --git a/scripts/build/bootstrap/incremental_build_util.py b/scripts/build/bootstrap/incremental_build_util.py
index c5e74d9ad7..df36757222 100755
--- a/scripts/build/bootstrap/incremental_build_util.py
+++ b/scripts/build/bootstrap/incremental_build_util.py
@@ -198,6 +198,7 @@ def create_volume(ec2_client, availability_zone, snapshot_hint, repository_name,
     parameters = dict(
         AvailabilityZone = availability_zone,
         VolumeType=disk_type,
+        Encrypted=True,
         TagSpecifications= [{
             'ResourceType': 'volume',
             'Tags': [