diff --git a/api_names_out.yaml b/api_names_out.yaml
index 7ac8f69a4..04950cc2f 100644
--- a/api_names_out.yaml
+++ b/api_names_out.yaml
@@ -32869,7 +32869,9 @@
 "/dataflow:v1b3/RuntimeEnvironment/bypassTempDirValidation": bypass_temp_dir_validation
 "/dataflow:v1b3/RuntimeEnvironment/machineType": machine_type
 "/dataflow:v1b3/RuntimeEnvironment/maxWorkers": max_workers
+"/dataflow:v1b3/RuntimeEnvironment/network": network
 "/dataflow:v1b3/RuntimeEnvironment/serviceAccountEmail": service_account_email
+"/dataflow:v1b3/RuntimeEnvironment/subnetwork": subnetwork
 "/dataflow:v1b3/RuntimeEnvironment/tempLocation": temp_location
 "/dataflow:v1b3/RuntimeEnvironment/zone": zone
 "/dataflow:v1b3/SendDebugCaptureRequest": send_debug_capture_request
@@ -33132,6 +33134,7 @@
 "/dataflow:v1b3/WorkerHealthReportResponse": worker_health_report_response
 "/dataflow:v1b3/WorkerHealthReportResponse/reportInterval": report_interval
 "/dataflow:v1b3/WorkerLifecycleEvent": worker_lifecycle_event
+"/dataflow:v1b3/WorkerLifecycleEvent/containerStartTime": container_start_time
 "/dataflow:v1b3/WorkerLifecycleEvent/event": event
 "/dataflow:v1b3/WorkerLifecycleEvent/metadata": metadata
 "/dataflow:v1b3/WorkerLifecycleEvent/metadata/metadatum": metadatum
diff --git a/generated/google/apis/dataflow_v1b3.rb b/generated/google/apis/dataflow_v1b3.rb
index 2661eeb51..a0e114a3f 100644
--- a/generated/google/apis/dataflow_v1b3.rb
+++ b/generated/google/apis/dataflow_v1b3.rb
@@ -25,7 +25,7 @@ module Google
     # @see https://cloud.google.com/dataflow
     module DataflowV1b3
       VERSION = 'V1b3'
-      REVISION = '20180208'
+      REVISION = '20180215'
 
       # View and manage your data across Google Cloud Platform services
       AUTH_CLOUD_PLATFORM = 'https://www.googleapis.com/auth/cloud-platform'
diff --git a/generated/google/apis/dataflow_v1b3/classes.rb b/generated/google/apis/dataflow_v1b3/classes.rb
index ba8e7b378..c046636da 100644
--- a/generated/google/apis/dataflow_v1b3/classes.rb
+++ b/generated/google/apis/dataflow_v1b3/classes.rb
@@ -2961,11 +2961,23 @@ module Google
         # @return [Fixnum]
         attr_accessor :max_workers
       
+        # Network to which VMs will be assigned.  If empty or unspecified,
+        # the service will use the network "default".
+        # Corresponds to the JSON property `network`
+        # @return [String]
+        attr_accessor :network
+      
         # The email address of the service account to run the job as.
         # Corresponds to the JSON property `serviceAccountEmail`
         # @return [String]
         attr_accessor :service_account_email
       
+        # Subnetwork to which VMs will be assigned, if desired.  Expected to be of
+        # the form "regions/REGION/subnetworks/SUBNETWORK".
+        # Corresponds to the JSON property `subnetwork`
+        # @return [String]
+        attr_accessor :subnetwork
+      
         # The Cloud Storage path to use for temporary files.
         # Must be a valid Cloud Storage URL, beginning with `gs://`.
         # Corresponds to the JSON property `tempLocation`
@@ -2989,7 +3001,9 @@ module Google
           @bypass_temp_dir_validation = args[:bypass_temp_dir_validation] if args.key?(:bypass_temp_dir_validation)
           @machine_type = args[:machine_type] if args.key?(:machine_type)
           @max_workers = args[:max_workers] if args.key?(:max_workers)
+          @network = args[:network] if args.key?(:network)
           @service_account_email = args[:service_account_email] if args.key?(:service_account_email)
+          @subnetwork = args[:subnetwork] if args.key?(:subnetwork)
           @temp_location = args[:temp_location] if args.key?(:temp_location)
           @zone = args[:zone] if args.key?(:zone)
         end
@@ -4830,6 +4844,12 @@ module Google
       class WorkerLifecycleEvent
         include Google::Apis::Core::Hashable
       
+        # The start time of this container. All events will report this so that
+        # events can be grouped together across container/VM restarts.
+        # Corresponds to the JSON property `containerStartTime`
+        # @return [String]
+        attr_accessor :container_start_time
+      
         # The event being reported.
         # Corresponds to the JSON property `event`
         # @return [String]
@@ -4847,6 +4867,7 @@ module Google
       
         # Update properties of this object
         def update!(**args)
+          @container_start_time = args[:container_start_time] if args.key?(:container_start_time)
           @event = args[:event] if args.key?(:event)
           @metadata = args[:metadata] if args.key?(:metadata)
         end
diff --git a/generated/google/apis/dataflow_v1b3/representations.rb b/generated/google/apis/dataflow_v1b3/representations.rb
index d72627670..ce13bf882 100644
--- a/generated/google/apis/dataflow_v1b3/representations.rb
+++ b/generated/google/apis/dataflow_v1b3/representations.rb
@@ -1564,7 +1564,9 @@ module Google
           property :bypass_temp_dir_validation, as: 'bypassTempDirValidation'
           property :machine_type, as: 'machineType'
           property :max_workers, as: 'maxWorkers'
+          property :network, as: 'network'
           property :service_account_email, as: 'serviceAccountEmail'
+          property :subnetwork, as: 'subnetwork'
           property :temp_location, as: 'tempLocation'
           property :zone, as: 'zone'
         end
@@ -2066,6 +2068,7 @@ module Google
       class WorkerLifecycleEvent
         # @private
         class Representation < Google::Apis::Core::JsonRepresentation
+          property :container_start_time, as: 'containerStartTime'
           property :event, as: 'event'
           hash :metadata, as: 'metadata'
         end