diff --git a/lib/tempest b/lib/tempest
index 5ea217f..a84ade2 100644
--- a/lib/tempest
+++ b/lib/tempest
@@ -379,6 +379,7 @@
     iniset $TEMPEST_CONFIG compute-feature-enabled preserve_ports True
     # TODO(gilliard): Remove the live_migrate_paused_instances flag when Juno is end of life.
     iniset $TEMPEST_CONFIG compute-feature-enabled live_migrate_paused_instances True
+    iniset $TEMPEST_CONFIG compute-feature-enabled attach_encrypted_volume ${ATTACH_ENCRYPTED_VOLUME_AVAILABLE:-True}
 
     # Network
     iniset $TEMPEST_CONFIG network api_version 2.0