diff --git a/protos/voltha_protos/adapter_service.proto b/protos/voltha_protos/adapter_service.proto
index 31891ce..11c945e 100755
--- a/protos/voltha_protos/adapter_service.proto
+++ b/protos/voltha_protos/adapter_service.proto
@@ -89,4 +89,5 @@
     rpc EnableOnuDevice (device.Device) returns(google.protobuf.Empty);
     rpc DisableOnuSerialNumber(device.OnuSerialNumberOnOLTPon) returns (google.protobuf.Empty);
     rpc EnableOnuSerialNumber(device.OnuSerialNumberOnOLTPon) returns (google.protobuf.Empty);
+    rpc UpdateDevice(device.UpdateDevice) returns(google.protobuf.Empty);
 }
diff --git a/protos/voltha_protos/device.proto b/protos/voltha_protos/device.proto
index 7345074..b76c5a7 100755
--- a/protos/voltha_protos/device.proto
+++ b/protos/voltha_protos/device.proto
@@ -501,3 +501,19 @@
     string serial_number = 3;
 }
 
+message UpdateDevice {
+    string id = 1; //Device id of the device, for now only updating the OLT device is supported, and only ip address of the OLT
+    oneof address {
+
+        // Device contact IPv4 address (format: "a.b.c.d" or can use hostname too)
+        string ipv4_address = 2;
+
+        // Device contact IPv6 address using the canonical string form
+        // ("xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx")
+        string ipv6_address = 3;
+
+        string host_and_port = 4;
+
+    };
+}
+
diff --git a/protos/voltha_protos/voltha.proto b/protos/voltha_protos/voltha.proto
index 9d9abeb..7230113 100755
--- a/protos/voltha_protos/voltha.proto
+++ b/protos/voltha_protos/voltha.proto
@@ -638,5 +638,12 @@
         };
     }
 
+    // Update the Device configuration, for now only ip address updation is supported
+    rpc UpdateDevice(device.UpdateDevice) returns(google.protobuf.Empty) {
+        option (google.api.http) = {
+            post: "/api/v1/update_device"
+        };
+    }
+
 }