diff --git a/generated/google-apis-run_v2/CHANGELOG.md b/generated/google-apis-run_v2/CHANGELOG.md
index 3321b9c4da0..789cc384831 100644
--- a/generated/google-apis-run_v2/CHANGELOG.md
+++ b/generated/google-apis-run_v2/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Release history for google-apis-run_v2
 
+### v0.106.0 (2026-02-08)
+
+* Regenerated from discovery document revision 20260130
+
 ### v0.105.0 (2026-02-01)
 
 * Regenerated from discovery document revision 20260123
diff --git a/generated/google-apis-run_v2/lib/google/apis/run_v2/gem_version.rb b/generated/google-apis-run_v2/lib/google/apis/run_v2/gem_version.rb
index 9fc3f6f172e..5d5c5734fc0 100644
--- a/generated/google-apis-run_v2/lib/google/apis/run_v2/gem_version.rb
+++ b/generated/google-apis-run_v2/lib/google/apis/run_v2/gem_version.rb
@@ -16,13 +16,13 @@ module Google
   module Apis
     module RunV2
       # Version of the google-apis-run_v2 gem
-      GEM_VERSION = "0.105.0"
+      GEM_VERSION = "0.106.0"
 
       # 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 = "20260123"
+      REVISION = "20260130"
     end
   end
 end
diff --git a/generated/google-apis-run_v2/lib/google/apis/run_v2/service.rb b/generated/google-apis-run_v2/lib/google/apis/run_v2/service.rb
index 36838604416..924d7f4c93d 100644
--- a/generated/google-apis-run_v2/lib/google/apis/run_v2/service.rb
+++ b/generated/google-apis-run_v2/lib/google/apis/run_v2/service.rb
@@ -229,9 +229,10 @@ def submit_project_location_build(parent, google_cloud_run_v2_submit_build_reque
         # @param [String] parent
         # @param [Google::Apis::RunV2::GoogleCloudRunV2Instance] google_cloud_run_v2_instance_object
         # @param [String] instance_id
-        #   Required. The unique identifier for the Instance. It must begin with letter,
+        #   Optional. The unique identifier for the Instance. It must begin with letter,
         #   and cannot end with hyphen; must contain fewer than 50 characters. The name of
-        #   the instance becomes `parent`/instances/`instance_id`.
+        #   the instance becomes `parent`/instances/`instance_id`. If not provided, the
+        #   server will generate a unique `instance_id`.
         # @param [Boolean] validate_only
         #   Optional. Indicates that the request should be validated and default values
         #   populated, without persisting the request or creating any resources.
@@ -451,8 +452,9 @@ def stop_project_location_instance(name, google_cloud_run_v2_stop_instance_reque
         #   number.
         # @param [Google::Apis::RunV2::GoogleCloudRunV2Job] google_cloud_run_v2_job_object
         # @param [String] job_id
-        #   Required. The unique identifier for the Job. The name of the job becomes `
-        #   parent`/jobs/`job_id`.
+        #   Optional. The unique identifier for the Job. The name of the job becomes `
+        #   parent`/jobs/`job_id`. If not provided, the server will generate a unique `
+        #   job_id`.
         # @param [Boolean] validate_only
         #   Indicates that the request should be validated and default values populated,
         #   without persisting the request or creating any resources.
@@ -1219,9 +1221,10 @@ def wait_project_location_operation(name, google_longrunning_wait_operation_requ
         #   project id or number. Only lowercase characters, digits, and hyphens.
         # @param [Google::Apis::RunV2::GoogleCloudRunV2Service] google_cloud_run_v2_service_object
         # @param [String] service_id
-        #   Required. The unique identifier for the Service. It must begin with letter,
+        #   Optional. The unique identifier for the Service. It must begin with letter,
         #   and cannot end with hyphen; must contain fewer than 50 characters. The name of
-        #   the service becomes `parent`/services/`service_id`.
+        #   the service becomes `parent`/services/`service_id`. If not provided, the
+        #   server will generate a unique `service_id`.
         # @param [Boolean] validate_only
         #   Indicates that the request should be validated and default values populated,
         #   without persisting the request or creating any resources.
@@ -1694,9 +1697,10 @@ def list_project_location_service_revisions(parent, page_size: nil, page_token:
         #   Optional. Indicates that the request should be validated and default values
         #   populated, without persisting the request or creating any resources.
         # @param [String] worker_pool_id
-        #   Required. The unique identifier for the WorkerPool. It must begin with letter,
+        #   Optional. The unique identifier for the WorkerPool. It must begin with letter,
         #   and cannot end with hyphen; must contain fewer than 50 characters. The name of
-        #   the worker pool becomes ``parent`/workerPools/`worker_pool_id``.
+        #   the worker pool becomes ``parent`/workerPools/`worker_pool_id``. If not
+        #   provided, the server will generate a unique `worker_pool_id`.
         # @param [String] fields
         #   Selector specifying which fields to include in a partial response.
         # @param [String] quota_user