diff --git a/appengine/appidentity/pom.xml b/appengine/appidentity/pom.xml
index 2a04c676268..22c94aa7fb3 100644
--- a/appengine/appidentity/pom.xml
+++ b/appengine/appidentity/pom.xml
@@ -89,7 +89,7 @@
     <dependency>
       <groupId>com.google.truth</groupId>
       <artifactId>truth</artifactId>
-      <version>0.30</version>
+      <version>0.31</version>
       <scope>test</scope>
     </dependency>
   </dependencies>
diff --git a/appengine/channel/pom.xml b/appengine/channel/pom.xml
index cfbdf6ac4ed..d116c46ba21 100644
--- a/appengine/channel/pom.xml
+++ b/appengine/channel/pom.xml
@@ -91,7 +91,7 @@
         <dependency>
             <groupId>com.google.truth</groupId>
             <artifactId>truth</artifactId>
-            <version>0.30</version>
+            <version>0.31</version>
             <scope>test</scope>
         </dependency>
     </dependencies>
diff --git a/appengine/datastore/indexes-exploding/pom.xml b/appengine/datastore/indexes-exploding/pom.xml
index 11d3ed3aabf..02ab18d0e99 100644
--- a/appengine/datastore/indexes-exploding/pom.xml
+++ b/appengine/datastore/indexes-exploding/pom.xml
@@ -74,7 +74,7 @@
     <dependency>
       <groupId>com.google.truth</groupId>
       <artifactId>truth</artifactId>
-      <version>0.30</version>
+      <version>0.31</version>
       <scope>test</scope>
     </dependency>
   </dependencies>
diff --git a/appengine/datastore/indexes-perfect/pom.xml b/appengine/datastore/indexes-perfect/pom.xml
index 33279493428..3f54c202ad5 100644
--- a/appengine/datastore/indexes-perfect/pom.xml
+++ b/appengine/datastore/indexes-perfect/pom.xml
@@ -74,7 +74,7 @@
     <dependency>
       <groupId>com.google.truth</groupId>
       <artifactId>truth</artifactId>
-      <version>0.30</version>
+      <version>0.31</version>
       <scope>test</scope>
     </dependency>
   </dependencies>
diff --git a/appengine/datastore/indexes/pom.xml b/appengine/datastore/indexes/pom.xml
index 4f800629cf6..ce62b653064 100644
--- a/appengine/datastore/indexes/pom.xml
+++ b/appengine/datastore/indexes/pom.xml
@@ -74,7 +74,7 @@
     <dependency>
       <groupId>com.google.truth</groupId>
       <artifactId>truth</artifactId>
-      <version>0.30</version>
+      <version>0.31</version>
       <scope>test</scope>
     </dependency>
   </dependencies>
diff --git a/appengine/datastore/pom.xml b/appengine/datastore/pom.xml
index 721ded97c1c..563c6d49566 100644
--- a/appengine/datastore/pom.xml
+++ b/appengine/datastore/pom.xml
@@ -99,7 +99,7 @@
     <dependency>
       <groupId>com.google.truth</groupId>
       <artifactId>truth</artifactId>
-      <version>0.30</version>
+      <version>0.31</version>
       <scope>test</scope>
     </dependency>
   </dependencies>
diff --git a/appengine/firebase-tictactoe/pom.xml b/appengine/firebase-tictactoe/pom.xml
index a52658cb461..5ee34a56fe7 100644
--- a/appengine/firebase-tictactoe/pom.xml
+++ b/appengine/firebase-tictactoe/pom.xml
@@ -33,7 +33,7 @@
         <google-api-client.version>1.22.0</google-api-client.version>
         <junit.version>4.12</junit.version>
         <mockito.version>1.10.19</mockito.version>
-        <google-truth.version>0.30</google-truth.version>
+        <google-truth.version>0.31</google-truth.version>
         <appengine-maven.version>1.0.0</appengine-maven.version>
     </properties>
     <!-- [START set_versions] -->
diff --git a/appengine/guestbook-objectify/pom.xml b/appengine/guestbook-objectify/pom.xml
index 48627e4a17e..debe06f55b7 100644
--- a/appengine/guestbook-objectify/pom.xml
+++ b/appengine/guestbook-objectify/pom.xml
@@ -90,7 +90,7 @@
         <dependency>
             <groupId>com.google.truth</groupId>
             <artifactId>truth</artifactId>
-            <version>0.30</version>
+            <version>0.31</version>
             <scope>test</scope>
         </dependency>
 
diff --git a/appengine/multitenancy/pom.xml b/appengine/multitenancy/pom.xml
index 45bf5aaf0f7..8ac6256bb75 100644
--- a/appengine/multitenancy/pom.xml
+++ b/appengine/multitenancy/pom.xml
@@ -91,7 +91,7 @@
         <dependency>
             <groupId>com.google.truth</groupId>
             <artifactId>truth</artifactId>
-            <version>0.30</version>
+            <version>0.31</version>
             <scope>test</scope>
         </dependency>
 
diff --git a/appengine/requests/pom.xml b/appengine/requests/pom.xml
index 1de8f695f37..347f5e3c148 100644
--- a/appengine/requests/pom.xml
+++ b/appengine/requests/pom.xml
@@ -84,7 +84,7 @@ Copyright 2016 Google Inc. All Rights Reserved.
     <dependency>
       <groupId>com.google.truth</groupId>
       <artifactId>truth</artifactId>
-      <version>0.30</version>
+      <version>0.31</version>
       <scope>test</scope>
     </dependency>
 
diff --git a/appengine/search/pom.xml b/appengine/search/pom.xml
index e25942b13cf..c990803ab9f 100644
--- a/appengine/search/pom.xml
+++ b/appengine/search/pom.xml
@@ -73,7 +73,7 @@ Copyright 2015 Google Inc. All Rights Reserved.
     <dependency>
       <groupId>com.google.truth</groupId>
       <artifactId>truth</artifactId>
-      <version>0.30</version>
+      <version>0.31</version>
       <scope>test</scope>
     </dependency>
   </dependencies>
diff --git a/appengine/taskqueue-push/pom.xml b/appengine/taskqueue-push/pom.xml
index d1517c63d82..f904872a241 100644
--- a/appengine/taskqueue-push/pom.xml
+++ b/appengine/taskqueue-push/pom.xml
@@ -79,7 +79,7 @@ Copyright 2016 Google Inc. All Rights Reserved.
     <dependency>
       <groupId>com.google.truth</groupId>
       <artifactId>truth</artifactId>
-      <version>0.30</version>
+      <version>0.31</version>
       <scope>test</scope>
     </dependency>
 
diff --git a/appengine/users/pom.xml b/appengine/users/pom.xml
index 7b3d388b59b..5ecc5616eba 100644
--- a/appengine/users/pom.xml
+++ b/appengine/users/pom.xml
@@ -85,7 +85,7 @@ Copyright 2015 Google Inc. All Rights Reserved.
     <dependency>
       <groupId>com.google.truth</groupId>
       <artifactId>truth</artifactId>
-      <version>0.30</version>
+      <version>0.31</version>
       <scope>test</scope>
     </dependency>
 
diff --git a/bigquery/cloud-client/pom.xml b/bigquery/cloud-client/pom.xml
index aef17e92743..f6bb3cace9d 100644
--- a/bigquery/cloud-client/pom.xml
+++ b/bigquery/cloud-client/pom.xml
@@ -50,7 +50,7 @@
     <dependency>
       <groupId>com.google.truth</groupId>
       <artifactId>truth</artifactId>
-      <version>0.30</version>
+      <version>0.31</version>
       <scope>test</scope>
     </dependency>
   </dependencies>
diff --git a/bigquery/pom.xml b/bigquery/pom.xml
index 91fff4cee01..ca7386ab769 100644
--- a/bigquery/pom.xml
+++ b/bigquery/pom.xml
@@ -54,7 +54,7 @@
     <dependency>
       <groupId>com.google.truth</groupId>
       <artifactId>truth</artifactId>
-      <version>0.30</version>
+      <version>0.31</version>
       <scope>test</scope>
     </dependency>
   </dependencies>
diff --git a/datastore/cloud-client/pom.xml b/datastore/cloud-client/pom.xml
index ca35eda02e7..f0d2e598768 100644
--- a/datastore/cloud-client/pom.xml
+++ b/datastore/cloud-client/pom.xml
@@ -50,7 +50,7 @@
     <dependency>
       <groupId>com.google.truth</groupId>
       <artifactId>truth</artifactId>
-      <version>0.30</version>
+      <version>0.31</version>
       <scope>test</scope>
     </dependency>
   </dependencies>
diff --git a/language/analysis/pom.xml b/language/analysis/pom.xml
index 3aa34afb5fe..5b6c91e1ba0 100644
--- a/language/analysis/pom.xml
+++ b/language/analysis/pom.xml
@@ -43,7 +43,7 @@ limitations under the License.
     <dependency>
       <groupId>com.google.truth</groupId>
       <artifactId>truth</artifactId>
-      <version>0.30</version>
+      <version>0.31</version>
     </dependency>
   </dependencies>
   <build>
diff --git a/language/cloud-client/pom.xml b/language/cloud-client/pom.xml
index efd74f31603..c4535e03e98 100644
--- a/language/cloud-client/pom.xml
+++ b/language/cloud-client/pom.xml
@@ -50,7 +50,7 @@
     <dependency>
       <groupId>com.google.truth</groupId>
       <artifactId>truth</artifactId>
-      <version>0.30</version>
+      <version>0.31</version>
       <scope>test</scope>
     </dependency>
   </dependencies>
diff --git a/logging/cloud-client/pom.xml b/logging/cloud-client/pom.xml
index 8761a2c2af4..19f041ea94f 100644
--- a/logging/cloud-client/pom.xml
+++ b/logging/cloud-client/pom.xml
@@ -50,7 +50,7 @@
     <dependency>
       <groupId>com.google.truth</groupId>
       <artifactId>truth</artifactId>
-      <version>0.30</version>
+      <version>0.31</version>
       <scope>test</scope>
     </dependency>
   </dependencies>
diff --git a/monitoring/v2/pom.xml b/monitoring/v2/pom.xml
index 11f4f5a9e2a..40d0341ede0 100644
--- a/monitoring/v2/pom.xml
+++ b/monitoring/v2/pom.xml
@@ -52,7 +52,7 @@
     <dependency>
       <groupId>com.google.truth</groupId>
       <artifactId>truth</artifactId>
-      <version>0.30</version>
+      <version>0.31</version>
       <scope>test</scope>
     </dependency>
   </dependencies>
diff --git a/monitoring/v3/pom.xml b/monitoring/v3/pom.xml
index 9a5eafbd51d..653111ecf2f 100644
--- a/monitoring/v3/pom.xml
+++ b/monitoring/v3/pom.xml
@@ -94,7 +94,7 @@
         <dependency>
             <groupId>com.google.truth</groupId>
             <artifactId>truth</artifactId>
-            <version>0.30</version>
+            <version>0.31</version>
             <scope>test</scope>
         </dependency>
     </dependencies>
diff --git a/pom.xml b/pom.xml
index d60acc67dac..f4561d0b9a5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -158,7 +158,7 @@
         <dependency>
             <groupId>org.mockito</groupId>
             <artifactId>mockito-core</artifactId>
-            <version>2.3.3</version>
+            <version>2.3.7</version>
             <scope>test</scope>
         </dependency>
         <dependency>
diff --git a/pubsub/cloud-client/pom.xml b/pubsub/cloud-client/pom.xml
index 53ce5351118..d6361384e8f 100644
--- a/pubsub/cloud-client/pom.xml
+++ b/pubsub/cloud-client/pom.xml
@@ -50,7 +50,7 @@
     <dependency>
       <groupId>com.google.truth</groupId>
       <artifactId>truth</artifactId>
-      <version>0.30</version>
+      <version>0.31</version>
       <scope>test</scope>
     </dependency>
   </dependencies>
diff --git a/speech/grpc/pom.xml b/speech/grpc/pom.xml
index fe02a629f2c..7ba56f2ec15 100644
--- a/speech/grpc/pom.xml
+++ b/speech/grpc/pom.xml
@@ -153,7 +153,7 @@ limitations under the License.
     <dependency>
       <groupId>com.google.truth</groupId>
       <artifactId>truth</artifactId>
-      <version>0.30</version>
+      <version>0.31</version>
       <scope>test</scope>
     </dependency>
     <dependency>
diff --git a/storage/cloud-client/pom.xml b/storage/cloud-client/pom.xml
index ff4fcd8bf5c..f1f5871b104 100644
--- a/storage/cloud-client/pom.xml
+++ b/storage/cloud-client/pom.xml
@@ -50,7 +50,7 @@
     <dependency>
       <groupId>com.google.truth</groupId>
       <artifactId>truth</artifactId>
-      <version>0.30</version>
+      <version>0.31</version>
       <scope>test</scope>
     </dependency>
   </dependencies>
diff --git a/storage/json-api/pom.xml b/storage/json-api/pom.xml
index 2d837badc24..241bd744c71 100644
--- a/storage/json-api/pom.xml
+++ b/storage/json-api/pom.xml
@@ -55,7 +55,7 @@
     <dependency>
       <groupId>com.google.truth</groupId>
       <artifactId>truth</artifactId>
-      <version>0.30</version>
+      <version>0.31</version>
       <scope>test</scope>
     </dependency>
   </dependencies>
diff --git a/storage/storage-transfer/pom.xml b/storage/storage-transfer/pom.xml
index 056c6ea8393..d47df08619d 100644
--- a/storage/storage-transfer/pom.xml
+++ b/storage/storage-transfer/pom.xml
@@ -48,7 +48,7 @@
     <dependency>
       <groupId>com.google.truth</groupId>
       <artifactId>truth</artifactId>
-      <version>0.30</version>
+      <version>0.31</version>
       <scope>test</scope>
     </dependency>
     <dependency>
diff --git a/storage/xml-api/cmdline-sample/pom.xml b/storage/xml-api/cmdline-sample/pom.xml
index b5330ade32a..cd90c3000f6 100644
--- a/storage/xml-api/cmdline-sample/pom.xml
+++ b/storage/xml-api/cmdline-sample/pom.xml
@@ -88,7 +88,7 @@
     <dependency>
       <groupId>com.google.truth</groupId>
       <artifactId>truth</artifactId>
-      <version>0.30</version>
+      <version>0.31</version>
       <scope>test</scope>
     </dependency>
   </dependencies>
diff --git a/translate/cloud-client/pom.xml b/translate/cloud-client/pom.xml
index b2839c761f4..22c7f586ccd 100644
--- a/translate/cloud-client/pom.xml
+++ b/translate/cloud-client/pom.xml
@@ -50,7 +50,7 @@
     <dependency>
       <groupId>com.google.truth</groupId>
       <artifactId>truth</artifactId>
-      <version>0.30</version>
+      <version>0.31</version>
       <scope>test</scope>
     </dependency>
   </dependencies>
diff --git a/translate/pom.xml b/translate/pom.xml
index 220a9a65ca3..b750b708f17 100644
--- a/translate/pom.xml
+++ b/translate/pom.xml
@@ -49,7 +49,7 @@ limitations under the License.
     <dependency>
       <groupId>com.google.truth</groupId>
       <artifactId>truth</artifactId>
-      <version>0.30</version>
+      <version>0.31</version>
     </dependency>
   </dependencies>
   <build>
diff --git a/vision/face-detection/pom.xml b/vision/face-detection/pom.xml
index 3fd99275e90..cad60add9d4 100644
--- a/vision/face-detection/pom.xml
+++ b/vision/face-detection/pom.xml
@@ -63,7 +63,7 @@
     <dependency>
       <groupId>com.google.truth</groupId>
       <artifactId>truth</artifactId>
-      <version>0.30</version>
+      <version>0.31</version>
       <scope>test</scope>
     </dependency>
     <dependency>
diff --git a/vision/label/pom.xml b/vision/label/pom.xml
index 09803df484b..b91c6bb053c 100644
--- a/vision/label/pom.xml
+++ b/vision/label/pom.xml
@@ -61,7 +61,7 @@
     <dependency>
       <groupId>com.google.truth</groupId>
       <artifactId>truth</artifactId>
-      <version>0.30</version>
+      <version>0.31</version>
       <scope>test</scope>
     </dependency>
     <dependency>
diff --git a/vision/landmark-detection/pom.xml b/vision/landmark-detection/pom.xml
index 6e1fc15f57f..4e7ce3d25d8 100644
--- a/vision/landmark-detection/pom.xml
+++ b/vision/landmark-detection/pom.xml
@@ -61,7 +61,7 @@
     <dependency>
       <groupId>com.google.truth</groupId>
       <artifactId>truth</artifactId>
-      <version>0.30</version>
+      <version>0.31</version>
       <scope>test</scope>
     </dependency>
     <dependency>
diff --git a/vision/text/pom.xml b/vision/text/pom.xml
index 54c5f7ad84b..80549b7ac02 100644
--- a/vision/text/pom.xml
+++ b/vision/text/pom.xml
@@ -71,7 +71,7 @@
     <dependency>
       <groupId>com.google.truth</groupId>
       <artifactId>truth</artifactId>
-      <version>0.30</version>
+      <version>0.31</version>
       <scope>test</scope>
     </dependency>
     <dependency>