diff --git a/protocols/grpc/BUCK b/protocols/grpc/BUCK
index 7c91c47..7aa98fc 100644
--- a/protocols/grpc/BUCK
+++ b/protocols/grpc/BUCK
@@ -1,17 +1,17 @@
 PROTOBUF_VER = '3.2.0'
-GRPC_VER = '1.3.0'
+GRPC_VER = '1.3.1'
 
 BUNDLES = [
     '//protocols/grpc/proto:onos-protocols-grpc-proto',
     '//protocols/grpc/api:onos-protocols-grpc-api',
     '//protocols/grpc/ctl:onos-protocols-grpc-ctl',
     # gRPC dependencies
-    '//incubator/grpc-dependencies:grpc-core-repkg-1.3.0',
-    '//lib:grpc-protobuf-1.3.0',
-    '//lib:grpc-protobuf-lite-1.3.0',
-    '//lib:grpc-stub-1.3.0',
-    '//lib:grpc-netty-1.3.0',
-    '//lib:grpc-auth-1.3.0',
+    '//incubator/grpc-dependencies:grpc-core-repkg-' + GRPC_VER,
+    '//lib:grpc-protobuf-' + GRPC_VER,
+    '//lib:grpc-protobuf-lite-' + GRPC_VER,
+    '//lib:grpc-stub-' + GRPC_VER,
+    '//lib:grpc-netty-' + GRPC_VER,
+    '//lib:grpc-auth-' + GRPC_VER,
     '//lib:google-instrumentation-0.3.0',
     '//lib:protobuf-java-3.2.0',
     # Lazily adding all netty-related packages.
diff --git a/protocols/grpc/api/BUCK b/protocols/grpc/api/BUCK
index f0c8fd3..e0dad74 100644
--- a/protocols/grpc/api/BUCK
+++ b/protocols/grpc/api/BUCK
@@ -1,4 +1,4 @@
-GRPC_VER = '1.3.0'
+GRPC_VER = '1.3.1'
 
 COMPILE_DEPS = [
     '//lib:CORE_DEPS',
diff --git a/protocols/grpc/api/pom.xml b/protocols/grpc/api/pom.xml
index 49e42c6..af2a8c5 100644
--- a/protocols/grpc/api/pom.xml
+++ b/protocols/grpc/api/pom.xml
@@ -46,8 +46,8 @@
        <dependency>
            <groupId>io.grpc</groupId>
            <artifactId>grpc-stub</artifactId>
-           <version>1.3.0</version>
+           <version>1.3.1</version>
        </dependency>
    </dependencies>
 
-</project>
\ No newline at end of file
+</project>
diff --git a/protocols/grpc/ctl/BUCK b/protocols/grpc/ctl/BUCK
index e0c2b6d..36681b5 100644
--- a/protocols/grpc/ctl/BUCK
+++ b/protocols/grpc/ctl/BUCK
@@ -1,5 +1,5 @@
 PROTOBUF_VER = '3.2.0'
-GRPC_VER = '1.3.0'
+GRPC_VER = '1.3.1'
 
 COMPILE_DEPS = [
     '//lib:CORE_DEPS',
diff --git a/protocols/grpc/proto/BUCK b/protocols/grpc/proto/BUCK
index 8d32ab1..8f1b562 100644
--- a/protocols/grpc/proto/BUCK
+++ b/protocols/grpc/proto/BUCK
@@ -3,7 +3,7 @@
 )
 
 PROTOBUF_VER = '3.2.0'
-GRPC_VER = '1.3.0'
+GRPC_VER = '1.3.1'
 
 COMPILE_DEPS = [
     '//lib:CORE_DEPS',
diff --git a/protocols/p4runtime/api/BUCK b/protocols/p4runtime/api/BUCK
index cefdf3a..8b740b84 100644
--- a/protocols/p4runtime/api/BUCK
+++ b/protocols/p4runtime/api/BUCK
@@ -1,4 +1,4 @@
-GRPC_VER = '1.3.0'
+GRPC_VER = '1.3.1'
 
 COMPILE_DEPS = [
     '//lib:CORE_DEPS',
diff --git a/protocols/p4runtime/ctl/BUCK b/protocols/p4runtime/ctl/BUCK
index 87366f5..90a0266 100644
--- a/protocols/p4runtime/ctl/BUCK
+++ b/protocols/p4runtime/ctl/BUCK
@@ -1,4 +1,4 @@
-GRPC_VER = '1.3.0'
+GRPC_VER = '1.3.1'
 PROTOBUF_VER = '3.2.0'
 
 COMPILE_DEPS = [
diff --git a/protocols/p4runtime/model/pom.xml b/protocols/p4runtime/model/pom.xml
index 5756406..696772e 100644
--- a/protocols/p4runtime/model/pom.xml
+++ b/protocols/p4runtime/model/pom.xml
@@ -38,7 +38,7 @@
         <dependency>
             <groupId>io.grpc</groupId>
             <artifactId>grpc-protobuf</artifactId>
-            <version>1.3.0</version>
+            <version>1.3.1</version>
         </dependency>
 
         <dependency>
diff --git a/protocols/p4runtime/pom.xml b/protocols/p4runtime/pom.xml
index 1f19b72..ab43ca0 100644
--- a/protocols/p4runtime/pom.xml
+++ b/protocols/p4runtime/pom.xml
@@ -42,7 +42,7 @@
         <dependency>
             <groupId>io.grpc</groupId>
             <artifactId>grpc-core</artifactId>
-            <version>1.3.0</version>
+            <version>1.3.1</version>
         </dependency>
 
 
diff --git a/protocols/p4runtime/proto/BUCK b/protocols/p4runtime/proto/BUCK
index 95fe691..53db8a5 100644
--- a/protocols/p4runtime/proto/BUCK
+++ b/protocols/p4runtime/proto/BUCK
@@ -3,7 +3,7 @@
 )
 
 PROTOBUF_VER = '3.2.0'
-GRPC_VER = '1.3.0'
+GRPC_VER = '1.3.1'
 
 PI_COMMIT = '13d611a9c655938676ebcde2bd5653b461f46ca7'
 PI_BASEURL = 'https://github.com/p4lang/PI.git'
diff --git a/protocols/p4runtime/proto/pom.xml b/protocols/p4runtime/proto/pom.xml
index f07728e..774ebb5 100644
--- a/protocols/p4runtime/proto/pom.xml
+++ b/protocols/p4runtime/proto/pom.xml
@@ -179,7 +179,7 @@
             <!--<plugin>-->
                 <!--<groupId>com.googlecode.maven-download-plugin</groupId>-->
                 <!--<artifactId>download-maven-plugin</artifactId>-->
-                <!--<version>1.3.0</version>-->
+                <!--<version>1.3.1</version>-->
                 <!--<executions>-->
                     <!--<execution>-->
                         <!--<id>install-any</id>-->