diff --git a/incubator/protobuf/registry/BUCK b/incubator/protobuf/registry/BUCK
index e6a339d..2b49f88 100644
--- a/incubator/protobuf/registry/BUCK
+++ b/incubator/protobuf/registry/BUCK
@@ -1,8 +1,10 @@
+GRPC_VER = '1.3.1'
+
 COMPILE_DEPS = [
     '//lib:CORE_DEPS',
     '//lib:NETTY',
     '//lib:GRPC_1.3',
-    '//incubator/grpc-dependencies:grpc-core-repkg-1.3.0',
+    '//incubator/grpc-dependencies:grpc-core-repkg-' + GRPC_VER,
     '//incubator/protobuf/api:onos-grpc-api'
 ]
 
@@ -13,7 +15,7 @@
 onos_app (
     title = 'Grpc Service Registry',
     app_name = "org.onosproject.grpc.registry",
-    included_bundles = ['//incubator/grpc-dependencies:grpc-core-repkg-1.3.0',
+    included_bundles = ['//incubator/grpc-dependencies:grpc-core-repkg-' + GRPC_VER,
         '//lib:google-instrumentation-0.3.0'],
     category = 'TODO',
     url = 'http://onosproject.org',