diff --git a/pkg/driver/efs_watch_dog.go b/pkg/driver/efs_watch_dog.go
index 8c5f719ad..0762ae249 100644
--- a/pkg/driver/efs_watch_dog.go
+++ b/pkg/driver/efs_watch_dog.go
@@ -85,11 +85,18 @@ dns_name_suffix = amazonaws.com.cn
 [mount.cn-northwest-1]
 dns_name_suffix = amazonaws.com.cn
 
+[mount.us-iso-west-1]
+dns_name_suffix = c2s.ic.gov
+stunnel_cafile = /etc/pki/ca-trust/extracted/pem/tls-ca-bundle.pem
 
 [mount.us-iso-east-1]
 dns_name_suffix = c2s.ic.gov
 stunnel_cafile = /etc/pki/ca-trust/extracted/pem/tls-ca-bundle.pem
 
+[mount.us-isob-west-1]
+dns_name_suffix = sc2s.sgov.gov
+stunnel_cafile = /etc/pki/ca-trust/extracted/pem/tls-ca-bundle.pem
+
 [mount.us-isob-east-1]
 dns_name_suffix = sc2s.sgov.gov
 stunnel_cafile = /etc/pki/ca-trust/extracted/pem/tls-ca-bundle.pem
diff --git a/pkg/driver/efs_watch_dog_test.go b/pkg/driver/efs_watch_dog_test.go
index e77a1cc14..3f33ec087 100644
--- a/pkg/driver/efs_watch_dog_test.go
+++ b/pkg/driver/efs_watch_dog_test.go
@@ -75,11 +75,18 @@ dns_name_suffix = amazonaws.com.cn
 [mount.cn-northwest-1]
 dns_name_suffix = amazonaws.com.cn
 
+[mount.us-iso-west-1]
+dns_name_suffix = c2s.ic.gov
+stunnel_cafile = /etc/pki/ca-trust/extracted/pem/tls-ca-bundle.pem
 
 [mount.us-iso-east-1]
 dns_name_suffix = c2s.ic.gov
 stunnel_cafile = /etc/pki/ca-trust/extracted/pem/tls-ca-bundle.pem
 
+[mount.us-isob-west-1]
+dns_name_suffix = sc2s.sgov.gov
+stunnel_cafile = /etc/pki/ca-trust/extracted/pem/tls-ca-bundle.pem
+
 [mount.us-isob-east-1]
 dns_name_suffix = sc2s.sgov.gov
 stunnel_cafile = /etc/pki/ca-trust/extracted/pem/tls-ca-bundle.pem