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>-->