diff --git a/api_names_out.yaml b/api_names_out.yaml
index 41bf745ccbe..287b64c3696 100644
--- a/api_names_out.yaml
+++ b/api_names_out.yaml
@@ -365862,6 +365862,9 @@
 "/tpu:v2alpha1/GetGuestAttributesResponse": get_guest_attributes_response
 "/tpu:v2alpha1/GetGuestAttributesResponse/guestAttributes": guest_attributes
 "/tpu:v2alpha1/GetGuestAttributesResponse/guestAttributes/guest_attribute": guest_attribute
+"/tpu:v2alpha1/GetMaintenanceInfoResponse": get_maintenance_info_response
+"/tpu:v2alpha1/GetMaintenanceInfoResponse/nodeUpcomingMaintenances": node_upcoming_maintenances
+"/tpu:v2alpha1/GetMaintenanceInfoResponse/nodeUpcomingMaintenances/node_upcoming_maintenance": node_upcoming_maintenance
 "/tpu:v2alpha1/Guaranteed": guaranteed
 "/tpu:v2alpha1/Guaranteed/minDuration": min_duration
 "/tpu:v2alpha1/Guaranteed/reserved": reserved
@@ -365977,6 +365980,10 @@
 "/tpu:v2alpha1/NodeSpec/node": node
 "/tpu:v2alpha1/NodeSpec/nodeId": node_id
 "/tpu:v2alpha1/NodeSpec/parent": parent
+"/tpu:v2alpha1/NodeUpcomingMaintenanceInfo": node_upcoming_maintenance_info
+"/tpu:v2alpha1/NodeUpcomingMaintenanceInfo/nodeName": node_name
+"/tpu:v2alpha1/NodeUpcomingMaintenanceInfo/nodeUid": node_uid
+"/tpu:v2alpha1/NodeUpcomingMaintenanceInfo/upcomingMaintenance": upcoming_maintenance
 "/tpu:v2alpha1/Operation": operation
 "/tpu:v2alpha1/Operation/done": done
 "/tpu:v2alpha1/Operation/error": error
@@ -366158,6 +366165,8 @@
 "/tpu:v2alpha1/tpu.projects.locations.queuedResources.delete/requestId": request_id
 "/tpu:v2alpha1/tpu.projects.locations.queuedResources.get": get_project_location_queued_resource
 "/tpu:v2alpha1/tpu.projects.locations.queuedResources.get/name": name
+"/tpu:v2alpha1/tpu.projects.locations.queuedResources.getMaintenanceInfo": get_project_location_queued_resource_maintenance_info
+"/tpu:v2alpha1/tpu.projects.locations.queuedResources.getMaintenanceInfo/name": name
 "/tpu:v2alpha1/tpu.projects.locations.queuedResources.list": list_project_location_queued_resources
 "/tpu:v2alpha1/tpu.projects.locations.queuedResources.list/pageSize": page_size
 "/tpu:v2alpha1/tpu.projects.locations.queuedResources.list/pageToken": page_token
diff --git a/generated/google-apis-tpu_v2alpha1/CHANGELOG.md b/generated/google-apis-tpu_v2alpha1/CHANGELOG.md
index 198e2705a02..740d6fccbb5 100644
--- a/generated/google-apis-tpu_v2alpha1/CHANGELOG.md
+++ b/generated/google-apis-tpu_v2alpha1/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Release history for google-apis-tpu_v2alpha1
 
+### v0.46.0 (2025-09-28)
+
+* Regenerated from discovery document revision 20250918
+
 ### v0.45.0 (2025-09-14)
 
 * Regenerated from discovery document revision 20250903
diff --git a/generated/google-apis-tpu_v2alpha1/lib/google/apis/tpu_v2alpha1/classes.rb b/generated/google-apis-tpu_v2alpha1/lib/google/apis/tpu_v2alpha1/classes.rb
index e209de90b15..f413c1fde06 100644
--- a/generated/google-apis-tpu_v2alpha1/lib/google/apis/tpu_v2alpha1/classes.rb
+++ b/generated/google-apis-tpu_v2alpha1/lib/google/apis/tpu_v2alpha1/classes.rb
@@ -399,6 +399,25 @@ def update!(**args)
         end
       end
       
+      # Response for GetMaintenanceInfo.
+      class GetMaintenanceInfoResponse
+        include Google::Apis::Core::Hashable
+      
+        # The list of upcoming maintenance entries.
+        # Corresponds to the JSON property `nodeUpcomingMaintenances`
+        # @return [Array<Google::Apis::TpuV2alpha1::NodeUpcomingMaintenanceInfo>]
+        attr_accessor :node_upcoming_maintenances
+      
+        def initialize(**args)
+           update!(**args)
+        end
+      
+        # Update properties of this object
+        def update!(**args)
+          @node_upcoming_maintenances = args[:node_upcoming_maintenances] if args.key?(:node_upcoming_maintenances)
+        end
+      end
+      
       # Guaranteed tier definition.
       class Guaranteed
         include Google::Apis::Core::Hashable
@@ -1140,6 +1159,37 @@ def update!(**args)
         end
       end
       
+      # A tuple containing node name / ID and maintenance info.
+      class NodeUpcomingMaintenanceInfo
+        include Google::Apis::Core::Hashable
+      
+        # Unqualified node name.
+        # Corresponds to the JSON property `nodeName`
+        # @return [String]
+        attr_accessor :node_name
+      
+        # UID of this node.
+        # Corresponds to the JSON property `nodeUid`
+        # @return [Fixnum]
+        attr_accessor :node_uid
+      
+        # Upcoming Maintenance notification information.
+        # Corresponds to the JSON property `upcomingMaintenance`
+        # @return [Google::Apis::TpuV2alpha1::UpcomingMaintenance]
+        attr_accessor :upcoming_maintenance
+      
+        def initialize(**args)
+           update!(**args)
+        end
+      
+        # Update properties of this object
+        def update!(**args)
+          @node_name = args[:node_name] if args.key?(:node_name)
+          @node_uid = args[:node_uid] if args.key?(:node_uid)
+          @upcoming_maintenance = args[:upcoming_maintenance] if args.key?(:upcoming_maintenance)
+        end
+      end
+      
       # This resource represents a long-running operation that is the result of a
       # network API call.
       class Operation
diff --git a/generated/google-apis-tpu_v2alpha1/lib/google/apis/tpu_v2alpha1/gem_version.rb b/generated/google-apis-tpu_v2alpha1/lib/google/apis/tpu_v2alpha1/gem_version.rb
index 7871ad4f454..5292b658ab1 100644
--- a/generated/google-apis-tpu_v2alpha1/lib/google/apis/tpu_v2alpha1/gem_version.rb
+++ b/generated/google-apis-tpu_v2alpha1/lib/google/apis/tpu_v2alpha1/gem_version.rb
@@ -16,13 +16,13 @@ module Google
   module Apis
     module TpuV2alpha1
       # Version of the google-apis-tpu_v2alpha1 gem
-      GEM_VERSION = "0.45.0"
+      GEM_VERSION = "0.46.0"
 
       # Version of the code generator used to generate this client
       GENERATOR_VERSION = "0.18.0"
 
       # Revision of the discovery document this client was generated from
-      REVISION = "20250903"
+      REVISION = "20250918"
     end
   end
 end
diff --git a/generated/google-apis-tpu_v2alpha1/lib/google/apis/tpu_v2alpha1/representations.rb b/generated/google-apis-tpu_v2alpha1/lib/google/apis/tpu_v2alpha1/representations.rb
index 2c204d7f3fb..652c493e779 100644
--- a/generated/google-apis-tpu_v2alpha1/lib/google/apis/tpu_v2alpha1/representations.rb
+++ b/generated/google-apis-tpu_v2alpha1/lib/google/apis/tpu_v2alpha1/representations.rb
@@ -124,6 +124,12 @@ class Representation < Google::Apis::Core::JsonRepresentation; end
         include Google::Apis::Core::JsonObjectSupport
       end
       
+      class GetMaintenanceInfoResponse
+        class Representation < Google::Apis::Core::JsonRepresentation; end
+      
+        include Google::Apis::Core::JsonObjectSupport
+      end
+      
       class Guaranteed
         class Representation < Google::Apis::Core::JsonRepresentation; end
       
@@ -232,6 +238,12 @@ class Representation < Google::Apis::Core::JsonRepresentation; end
         include Google::Apis::Core::JsonObjectSupport
       end
       
+      class NodeUpcomingMaintenanceInfo
+        class Representation < Google::Apis::Core::JsonRepresentation; end
+      
+        include Google::Apis::Core::JsonObjectSupport
+      end
+      
       class Operation
         class Representation < Google::Apis::Core::JsonRepresentation; end
       
@@ -529,6 +541,14 @@ class Representation < Google::Apis::Core::JsonRepresentation
         end
       end
       
+      class GetMaintenanceInfoResponse
+        # @private
+        class Representation < Google::Apis::Core::JsonRepresentation
+          collection :node_upcoming_maintenances, as: 'nodeUpcomingMaintenances', class: Google::Apis::TpuV2alpha1::NodeUpcomingMaintenanceInfo, decorator: Google::Apis::TpuV2alpha1::NodeUpcomingMaintenanceInfo::Representation
+      
+        end
+      end
+      
       class Guaranteed
         # @private
         class Representation < Google::Apis::Core::JsonRepresentation
@@ -736,6 +756,16 @@ class Representation < Google::Apis::Core::JsonRepresentation
         end
       end
       
+      class NodeUpcomingMaintenanceInfo
+        # @private
+        class Representation < Google::Apis::Core::JsonRepresentation
+          property :node_name, as: 'nodeName'
+          property :node_uid, :numeric_string => true, as: 'nodeUid'
+          property :upcoming_maintenance, as: 'upcomingMaintenance', class: Google::Apis::TpuV2alpha1::UpcomingMaintenance, decorator: Google::Apis::TpuV2alpha1::UpcomingMaintenance::Representation
+      
+        end
+      end
+      
       class Operation
         # @private
         class Representation < Google::Apis::Core::JsonRepresentation
diff --git a/generated/google-apis-tpu_v2alpha1/lib/google/apis/tpu_v2alpha1/service.rb b/generated/google-apis-tpu_v2alpha1/lib/google/apis/tpu_v2alpha1/service.rb
index 282790333c8..31e525c109e 100644
--- a/generated/google-apis-tpu_v2alpha1/lib/google/apis/tpu_v2alpha1/service.rb
+++ b/generated/google-apis-tpu_v2alpha1/lib/google/apis/tpu_v2alpha1/service.rb
@@ -824,6 +824,36 @@ def get_project_location_queued_resource(name, fields: nil, quota_user: nil, opt
           execute_or_queue_command(command, &block)
         end
         
+        # Gets the maintenance info for a queued resource.
+        # @param [String] name
+        #   Required. The QueuedResource name.
+        # @param [String] fields
+        #   Selector specifying which fields to include in a partial response.
+        # @param [String] quota_user
+        #   Available to use for quota purposes for server-side applications. Can be any
+        #   arbitrary string assigned to a user, but should not exceed 40 characters.
+        # @param [Google::Apis::RequestOptions] options
+        #   Request-specific options
+        #
+        # @yield [result, err] Result & error if block supplied
+        # @yieldparam result [Google::Apis::TpuV2alpha1::GetMaintenanceInfoResponse] parsed result object
+        # @yieldparam err [StandardError] error object if request failed
+        #
+        # @return [Google::Apis::TpuV2alpha1::GetMaintenanceInfoResponse]
+        #
+        # @raise [Google::Apis::ServerError] An error occurred on the server and the request can be retried
+        # @raise [Google::Apis::ClientError] The request is invalid and should not be retried without modification
+        # @raise [Google::Apis::AuthorizationError] Authorization is required
+        def get_project_location_queued_resource_maintenance_info(name, fields: nil, quota_user: nil, options: nil, &block)
+          command = make_simple_command(:get, 'v2alpha1/{+name}:getMaintenanceInfo', options)
+          command.response_representation = Google::Apis::TpuV2alpha1::GetMaintenanceInfoResponse::Representation
+          command.response_class = Google::Apis::TpuV2alpha1::GetMaintenanceInfoResponse
+          command.params['name'] = name unless name.nil?
+          command.query['fields'] = fields unless fields.nil?
+          command.query['quotaUser'] = quota_user unless quota_user.nil?
+          execute_or_queue_command(command, &block)
+        end
+        
         # Lists queued resources.
         # @param [String] parent
         #   Required. The parent resource name.