diff --git a/runners/google-cloud-dataflow-java/src/main/java/org/apache/beam/sdk/runners/DataflowPipelineRunner.java b/runners/google-cloud-dataflow-java/src/main/java/org/apache/beam/sdk/runners/DataflowPipelineRunner.java
index 18e2cc9ea0de..55fc74815e3c 100644
--- a/runners/google-cloud-dataflow-java/src/main/java/org/apache/beam/sdk/runners/DataflowPipelineRunner.java
+++ b/runners/google-cloud-dataflow-java/src/main/java/org/apache/beam/sdk/runners/DataflowPipelineRunner.java
@@ -214,9 +214,9 @@ public class DataflowPipelineRunner extends PipelineRunner<DataflowPipelineJob>
   // Default Docker container images that execute Dataflow worker harness, residing in Google
   // Container Registry, separately for Batch and Streaming.
   public static final String BATCH_WORKER_HARNESS_CONTAINER_IMAGE
-      = "dataflow.gcr.io/v1beta3/java-batch:1.5.1";
+      = "dataflow.gcr.io/v1beta3/beam-java-batch:beam-master-20160420";
   public static final String STREAMING_WORKER_HARNESS_CONTAINER_IMAGE
-      = "dataflow.gcr.io/v1beta3/java-streaming:1.5.1";
+      = "dataflow.gcr.io/v1beta3/beam-java-streaming:beam-master-20160420";
 
   // The limit of CreateJob request size.
   private static final int CREATE_JOB_REQUEST_LIMIT_BYTES = 10 * 1024 * 1024;