diff --git a/google-cloud-core/pom.xml b/google-cloud-core/pom.xml
index 9b568914993a..90d3310f44b7 100644
--- a/google-cloud-core/pom.xml
+++ b/google-cloud-core/pom.xml
@@ -114,12 +114,12 @@
     <dependency>
       <groupId>com.google.protobuf</groupId>
       <artifactId>protobuf-java</artifactId>
-      <version>3.0.0</version>
+      <version>3.2.0</version>
     </dependency>
     <dependency>
       <groupId>com.google.protobuf</groupId>
       <artifactId>protobuf-java-util</artifactId>
-      <version>3.0.0</version>
+      <version>3.2.0</version>
     </dependency>
     <dependency>
       <groupId>io.grpc</groupId>
@@ -140,7 +140,7 @@
     <dependency>
       <groupId>com.google.api.grpc</groupId>
       <artifactId>grpc-google-common-protos</artifactId>
-      <version>0.1.5</version>
+      <version>0.1.7</version>
       <exclusions>
         <exclusion>
           <groupId>io.grpc</groupId>
@@ -151,7 +151,7 @@
     <dependency>
       <groupId>com.google.api.grpc</groupId>
       <artifactId>grpc-google-iam-v1</artifactId>
-      <version>0.1.5</version>
+      <version>0.1.7</version>
       <exclusions>
         <exclusion>
           <groupId>io.grpc</groupId>
diff --git a/google-cloud-errorreporting/pom.xml b/google-cloud-errorreporting/pom.xml
index 9b9f57a0c1c0..98600c1938d4 100644
--- a/google-cloud-errorreporting/pom.xml
+++ b/google-cloud-errorreporting/pom.xml
@@ -31,7 +31,7 @@
     <dependency>
       <groupId>com.google.api.grpc</groupId>
       <artifactId>grpc-google-cloud-error-reporting-v1beta1</artifactId>
-      <version>0.1.5</version>
+      <version>0.1.7</version>
       <exclusions>
         <exclusion>
           <groupId>io.grpc</groupId>
diff --git a/google-cloud-language/pom.xml b/google-cloud-language/pom.xml
index 03e14128c4e1..b37b29fef61e 100644
--- a/google-cloud-language/pom.xml
+++ b/google-cloud-language/pom.xml
@@ -32,7 +32,7 @@
     <dependency>
       <groupId>com.google.api.grpc</groupId>
       <artifactId>grpc-google-cloud-language-v1</artifactId>
-      <version>0.1.6</version>
+      <version>0.1.7</version>
       <exclusions>
         <exclusion>
           <groupId>io.grpc</groupId>
@@ -43,7 +43,7 @@
     <dependency>
       <groupId>com.google.api.grpc</groupId>
       <artifactId>grpc-google-cloud-language-v1beta2</artifactId>
-      <version>0.1.6</version>
+      <version>0.1.7</version>
       <exclusions>
         <exclusion>
           <groupId>io.grpc</groupId>
diff --git a/google-cloud-logging/pom.xml b/google-cloud-logging/pom.xml
index afec2f83b0a7..5bbb2c280eca 100644
--- a/google-cloud-logging/pom.xml
+++ b/google-cloud-logging/pom.xml
@@ -32,7 +32,7 @@
     <dependency>
       <groupId>com.google.api.grpc</groupId>
       <artifactId>grpc-google-cloud-logging-v2</artifactId>
-      <version>0.1.5</version>
+      <version>0.1.7</version>
       <exclusions>
         <exclusion>
           <groupId>io.grpc</groupId>
diff --git a/google-cloud-monitoring/pom.xml b/google-cloud-monitoring/pom.xml
index 2cac685b3da3..06abcd57ce30 100644
--- a/google-cloud-monitoring/pom.xml
+++ b/google-cloud-monitoring/pom.xml
@@ -31,7 +31,7 @@
     <dependency>
       <groupId>com.google.api.grpc</groupId>
       <artifactId>grpc-google-cloud-monitoring-v3</artifactId>
-      <version>0.1.5</version>
+      <version>0.1.7</version>
       <exclusions>
         <exclusion>
           <groupId>io.grpc</groupId>
diff --git a/google-cloud-pubsub/pom.xml b/google-cloud-pubsub/pom.xml
index c300794e646b..b09260810727 100644
--- a/google-cloud-pubsub/pom.xml
+++ b/google-cloud-pubsub/pom.xml
@@ -31,7 +31,7 @@
     <dependency>
       <groupId>com.google.api.grpc</groupId>
       <artifactId>grpc-google-cloud-pubsub-v1</artifactId>
-      <version>0.1.6</version>
+      <version>0.1.7</version>
       <exclusions>
         <exclusion>
           <groupId>io.grpc</groupId>
diff --git a/google-cloud-spanner/pom.xml b/google-cloud-spanner/pom.xml
index a7f37262fc4f..db8829a9d068 100644
--- a/google-cloud-spanner/pom.xml
+++ b/google-cloud-spanner/pom.xml
@@ -98,7 +98,7 @@
     <dependency>
       <groupId>com.google.api.grpc</groupId>
       <artifactId>grpc-google-cloud-spanner-v1</artifactId>
-      <version>0.1.5</version>
+      <version>0.1.7</version>
       <exclusions>
         <exclusion>
           <groupId>io.grpc</groupId>
@@ -109,7 +109,7 @@
     <dependency>
       <groupId>com.google.api.grpc</groupId>
       <artifactId>grpc-google-cloud-spanner-admin-database-v1</artifactId>
-      <version>0.1.5</version>
+      <version>0.1.7</version>
       <exclusions>
         <exclusion>
           <groupId>io.grpc</groupId>
@@ -120,7 +120,7 @@
     <dependency>
       <groupId>com.google.api.grpc</groupId>
       <artifactId>grpc-google-cloud-spanner-admin-instance-v1</artifactId>
-      <version>0.1.5</version>
+      <version>0.1.7</version>
       <exclusions>
         <exclusion>
           <groupId>io.grpc</groupId>
diff --git a/google-cloud-spanner/src/test/java/com/google/cloud/spanner/spi/v1/WatchdogInterceptorTest.java b/google-cloud-spanner/src/test/java/com/google/cloud/spanner/spi/v1/WatchdogInterceptorTest.java
index 93c09762a188..969b452e7a78 100644
--- a/google-cloud-spanner/src/test/java/com/google/cloud/spanner/spi/v1/WatchdogInterceptorTest.java
+++ b/google-cloud-spanner/src/test/java/com/google/cloud/spanner/spi/v1/WatchdogInterceptorTest.java
@@ -25,6 +25,7 @@
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
+import com.google.api.gax.grpc.testing.FakeMethodDescriptor;
 import com.google.common.testing.FakeTicker;
 import io.grpc.CallOptions;
 import io.grpc.Channel;
@@ -56,9 +57,9 @@ public class WatchdogInterceptorTest {
 
   CallOptions options;
   Metadata metadata;
+  MethodDescriptor<Void, Void> descriptor = FakeMethodDescriptor.create();
 
   @Mock Channel channel;
-  @Mock MethodDescriptor<Void, Void> descriptor;
   @Mock ClientCall<Void, Void> innerCall;
   @Mock ClientCall.Listener<Void> listener;
 
diff --git a/google-cloud-speech/pom.xml b/google-cloud-speech/pom.xml
index df51d8397c78..c66a79fc2888 100644
--- a/google-cloud-speech/pom.xml
+++ b/google-cloud-speech/pom.xml
@@ -31,7 +31,7 @@
     <dependency>
       <groupId>com.google.api.grpc</groupId>
       <artifactId>grpc-google-cloud-speech-v1beta1</artifactId>
-      <version>0.1.5</version>
+      <version>0.1.7</version>
       <exclusions>
         <exclusion>
           <groupId>io.grpc</groupId>
@@ -42,7 +42,7 @@
     <dependency>
       <groupId>com.google.api.grpc</groupId>
       <artifactId>grpc-google-cloud-speech-v1</artifactId>
-      <version>0.1.6</version>
+      <version>0.1.7</version>
       <exclusions>
         <exclusion>
           <groupId>io.grpc</groupId>
diff --git a/google-cloud-trace/pom.xml b/google-cloud-trace/pom.xml
index 091929ee217e..c462be171cca 100644
--- a/google-cloud-trace/pom.xml
+++ b/google-cloud-trace/pom.xml
@@ -31,7 +31,7 @@
     <dependency>
       <groupId>com.google.api.grpc</groupId>
       <artifactId>grpc-google-cloud-trace-v1</artifactId>
-      <version>0.1.5</version>
+      <version>0.1.7</version>
       <exclusions>
         <exclusion>
           <groupId>io.grpc</groupId>
diff --git a/google-cloud-vision/pom.xml b/google-cloud-vision/pom.xml
index 04162038eb1c..d119341fcc44 100644
--- a/google-cloud-vision/pom.xml
+++ b/google-cloud-vision/pom.xml
@@ -32,7 +32,7 @@
     <dependency>
       <groupId>com.google.api.grpc</groupId>
       <artifactId>grpc-google-cloud-vision-v1</artifactId>
-      <version>0.1.6</version>
+      <version>0.1.7</version>
       <exclusions>
         <exclusion>
           <groupId>io.grpc</groupId>
diff --git a/pom.xml b/pom.xml
index 8d3aef90077f..694e8ef47c97 100644
--- a/pom.xml
+++ b/pom.xml
@@ -91,8 +91,8 @@
     <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
     <github.global.server>github</github.global.server>
     <google.auth.version>0.6.1</google.auth.version>
-    <grpc.version>1.0.3</grpc.version>
-    <gax.version>0.9.0</gax.version>
+    <grpc.version>1.2.0</grpc.version>
+    <gax.version>0.10.0</gax.version>
     <generatedProto.version>0.1.5</generatedProto.version>
     <core.version>0.12.1-alpha-SNAPSHOT</core.version>
     <beta.version>0.12.1-beta-SNAPSHOT</beta.version>