diff --git a/api_names_out.yaml b/api_names_out.yaml
index 778464bcd..7c7ead4b2 100644
--- a/api_names_out.yaml
+++ b/api_names_out.yaml
@@ -73356,6 +73356,7 @@
 "/jobs:v3/ResponseMetadata/requestId": request_id
 "/jobs:v3/SearchJobsRequest": search_jobs_request
 "/jobs:v3/SearchJobsRequest/disableKeywordMatch": disable_keyword_match
+"/jobs:v3/SearchJobsRequest/diversificationLevel": diversification_level
 "/jobs:v3/SearchJobsRequest/enableBroadening": enable_broadening
 "/jobs:v3/SearchJobsRequest/histogramFacets": histogram_facets
 "/jobs:v3/SearchJobsRequest/jobQuery": job_query
diff --git a/generated/google/apis/jobs_v3.rb b/generated/google/apis/jobs_v3.rb
index 0a4981837..a3dbe8608 100644
--- a/generated/google/apis/jobs_v3.rb
+++ b/generated/google/apis/jobs_v3.rb
@@ -26,7 +26,7 @@ module Google
     # @see https://cloud.google.com/talent-solution/job-search/docs/
     module JobsV3
       VERSION = 'V3'
-      REVISION = '20181114'
+      REVISION = '20181210'
 
       # 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/jobs_v3/classes.rb b/generated/google/apis/jobs_v3/classes.rb
index 1cd29fc3e..916c31388 100644
--- a/generated/google/apis/jobs_v3/classes.rb
+++ b/generated/google/apis/jobs_v3/classes.rb
@@ -2204,6 +2204,19 @@ module Google
         attr_accessor :disable_keyword_match
         alias_method :disable_keyword_match?, :disable_keyword_match
       
+        # Optional.
+        # Controls whether highly similar jobs are returned next to each other in
+        # the search results. Jobs are identified as highly similar based on
+        # their titles, job categories, and locations. Highly similar results are
+        # clustered so that only one representative job of the cluster is
+        # displayed to the job seeker higher up in the results, with the other jobs
+        # being displayed lower down in the results.
+        # Defaults to DiversificationLevel.SIMPLE if no value
+        # is specified.
+        # Corresponds to the JSON property `diversificationLevel`
+        # @return [String]
+        attr_accessor :diversification_level
+      
         # Optional.
         # Controls whether to broaden the search when it produces sparse results.
         # Broadened queries append results to the end of the matching results
@@ -2327,6 +2340,7 @@ module Google
         # Update properties of this object
         def update!(**args)
           @disable_keyword_match = args[:disable_keyword_match] if args.key?(:disable_keyword_match)
+          @diversification_level = args[:diversification_level] if args.key?(:diversification_level)
           @enable_broadening = args[:enable_broadening] if args.key?(:enable_broadening)
           @histogram_facets = args[:histogram_facets] if args.key?(:histogram_facets)
           @job_query = args[:job_query] if args.key?(:job_query)
diff --git a/generated/google/apis/jobs_v3/representations.rb b/generated/google/apis/jobs_v3/representations.rb
index 2cba178e5..79dd209c7 100644
--- a/generated/google/apis/jobs_v3/representations.rb
+++ b/generated/google/apis/jobs_v3/representations.rb
@@ -787,6 +787,7 @@ module Google
         # @private
         class Representation < Google::Apis::Core::JsonRepresentation
           property :disable_keyword_match, as: 'disableKeywordMatch'
+          property :diversification_level, as: 'diversificationLevel'
           property :enable_broadening, as: 'enableBroadening'
           property :histogram_facets, as: 'histogramFacets', class: Google::Apis::JobsV3::HistogramFacets, decorator: Google::Apis::JobsV3::HistogramFacets::Representation