diff --git a/go.sum b/go.sum
index 85585e2..1823ea0 100644
--- a/go.sum
+++ b/go.sum
@@ -89,8 +89,8 @@
 github.com/opencord/device-management-interface v0.9.5/go.mod h1:G1owSqGBGaqllrwtjxfLTsy9EDsGhdhmqkJM3XOnPD0=
 github.com/opencord/omci-lib-go v0.15.4 h1:g+IkuCZeS7Okvm7TxjobaLwX6UHo26hCvdyyqX9Bfi8=
 github.com/opencord/omci-lib-go v0.15.4/go.mod h1:6OIHB14Ch5qGgHzwSWlMACtk5KFoLzQ4LAhdcy4jwvo=
-github.com/opencord/voltha-protos/v4 v4.0.2 h1:SI25ljqftc8Tc28CgfqSE4IGCLJ5MgCmBQlE96hl9X8=
-github.com/opencord/voltha-protos/v4 v4.0.2/go.mod h1:W/OIFIyvFh/C0vchRUuarIsMylEhzCRM9pNxLvkPtKc=
+github.com/opencord/voltha-protos/v4 v4.0.15 h1:TOKYlt/75w5pxT44HeYfo2kqKvqmHzVpUkiCHOMJTN8=
+github.com/opencord/voltha-protos/v4 v4.0.15/go.mod h1:W/OIFIyvFh/C0vchRUuarIsMylEhzCRM9pNxLvkPtKc=
 github.com/pierrec/lz4 v2.4.1+incompatible h1:mFe7ttWaflA46Mhqh+jUfjp2qTbPYxLB2/OyBppH9dg=
 github.com/pierrec/lz4 v2.4.1+incompatible/go.mod h1:pdkljMzZIN41W+lC3N2tnIh5sFi+IEE17M5jbnwPHcY=
 github.com/pkg/errors v0.8.1 h1:iURUrRGxPUNPdy5/HRSm+Yj6okJ6UtLINN0Q9M4+h3I=