diff --git a/api_names_out.yaml b/api_names_out.yaml
index b2764d18931..c27aaf1b159 100644
--- a/api_names_out.yaml
+++ b/api_names_out.yaml
@@ -43432,6 +43432,7 @@
 "/androidmanagement:v1/Policy/autoDateAndTimeZone": auto_date_and_time_zone
 "/androidmanagement:v1/Policy/autoTimeRequired": auto_time_required
 "/androidmanagement:v1/Policy/autofillPolicy": autofill_policy
+"/androidmanagement:v1/Policy/backupService": backup_service
 "/androidmanagement:v1/Policy/blockApplicationsEnabled": block_applications_enabled
 "/androidmanagement:v1/Policy/bluetoothConfigDisabled": bluetooth_config_disabled
 "/androidmanagement:v1/Policy/bluetoothContactSharingDisabled": bluetooth_contact_sharing_disabled
diff --git a/generated/google-apis-androidmanagement_v1/CHANGELOG.md b/generated/google-apis-androidmanagement_v1/CHANGELOG.md
index c90792a648b..68b08a42996 100644
--- a/generated/google-apis-androidmanagement_v1/CHANGELOG.md
+++ b/generated/google-apis-androidmanagement_v1/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Release history for google-apis-androidmanagement_v1
 
+### v0.123.0 (2026-09-20)
+
+* Regenerated from discovery document revision 20260917
+
 ### v0.122.0 (2026-08-30)
 
 * Regenerated from discovery document revision 20260826
diff --git a/generated/google-apis-androidmanagement_v1/Gemfile.lock b/generated/google-apis-androidmanagement_v1/Gemfile.lock
index 9c205ede52a..af18fb371a6 100644
--- a/generated/google-apis-androidmanagement_v1/Gemfile.lock
+++ b/generated/google-apis-androidmanagement_v1/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    google-apis-androidmanagement_v1 (0.122.0)
+    google-apis-androidmanagement_v1 (0.123.0)
       google-apis-core (>= 0.15.0, < 2.a)
 
 GEM
@@ -105,7 +105,7 @@ CHECKSUMS
   faraday (2.14.3) sha256=1882247e6766615c8220b4392bf1d27f6ebb63d8e28267587cef1fb0bf37f278
   faraday-follow_redirects (0.5.0) sha256=5cde93c894b30943a5d2b93c2fe9284216a6b756f7af406a1e55f211d97d10ad
   faraday-net_http (3.4.4) sha256=0e78af151747ed1b00f33e25973b4bc220d7f16c00c39676817c8b12331eb588
-  google-apis-androidmanagement_v1 (0.122.0)
+  google-apis-androidmanagement_v1 (0.123.0)
   google-apis-core (1.2.1) sha256=3739030455277e3be90f2d07321ad4d0bf0d6b1ed820b2d092916d6cdef05337
   google-cloud-env (2.3.1) sha256=0faac01eb27be78c2591d64433663b1a114f8f7af55a4f819755426cac9178e7
   google-logging-utils (0.2.0) sha256=675462b4ea5affa825a3442694ca2d75d0069455a1d0956127207498fca3df7b
diff --git a/generated/google-apis-androidmanagement_v1/lib/google/apis/androidmanagement_v1/classes.rb b/generated/google-apis-androidmanagement_v1/lib/google/apis/androidmanagement_v1/classes.rb
index ef242ec9698..fec05b5a576 100644
--- a/generated/google-apis-androidmanagement_v1/lib/google/apis/androidmanagement_v1/classes.rb
+++ b/generated/google-apis-androidmanagement_v1/lib/google/apis/androidmanagement_v1/classes.rb
@@ -5416,6 +5416,12 @@ class Policy
         # @return [String]
         attr_accessor :autofill_policy
       
+        # Optional. Controls whether the backup service is disabled. Supported only on
+        # fully managed devices running Android 8 and above.
+        # Corresponds to the JSON property `backupService`
+        # @return [String]
+        attr_accessor :backup_service
+      
         # This field has no effect.
         # Corresponds to the JSON property `blockApplicationsEnabled`
         # @return [Boolean]
@@ -6033,6 +6039,7 @@ def update!(**args)
           @auto_date_and_time_zone = args[:auto_date_and_time_zone] if args.key?(:auto_date_and_time_zone)
           @auto_time_required = args[:auto_time_required] if args.key?(:auto_time_required)
           @autofill_policy = args[:autofill_policy] if args.key?(:autofill_policy)
+          @backup_service = args[:backup_service] if args.key?(:backup_service)
           @block_applications_enabled = args[:block_applications_enabled] if args.key?(:block_applications_enabled)
           @bluetooth_config_disabled = args[:bluetooth_config_disabled] if args.key?(:bluetooth_config_disabled)
           @bluetooth_contact_sharing_disabled = args[:bluetooth_contact_sharing_disabled] if args.key?(:bluetooth_contact_sharing_disabled)
diff --git a/generated/google-apis-androidmanagement_v1/lib/google/apis/androidmanagement_v1/gem_version.rb b/generated/google-apis-androidmanagement_v1/lib/google/apis/androidmanagement_v1/gem_version.rb
index b0b29898316..8a62065afe9 100644
--- a/generated/google-apis-androidmanagement_v1/lib/google/apis/androidmanagement_v1/gem_version.rb
+++ b/generated/google-apis-androidmanagement_v1/lib/google/apis/androidmanagement_v1/gem_version.rb
@@ -16,13 +16,13 @@ module Google
   module Apis
     module AndroidmanagementV1
       # Version of the google-apis-androidmanagement_v1 gem
-      GEM_VERSION = "0.122.0"
+      GEM_VERSION = "0.123.0"
 
       # Version of the code generator used to generate this client
       GENERATOR_VERSION = "0.19.0"
 
       # Revision of the discovery document this client was generated from
-      REVISION = "20260826"
+      REVISION = "20260917"
     end
   end
 end
diff --git a/generated/google-apis-androidmanagement_v1/lib/google/apis/androidmanagement_v1/representations.rb b/generated/google-apis-androidmanagement_v1/lib/google/apis/androidmanagement_v1/representations.rb
index 9b11ad8d087..058803bbeb8 100644
--- a/generated/google-apis-androidmanagement_v1/lib/google/apis/androidmanagement_v1/representations.rb
+++ b/generated/google-apis-androidmanagement_v1/lib/google/apis/androidmanagement_v1/representations.rb
@@ -2437,6 +2437,7 @@ class Representation < Google::Apis::Core::JsonRepresentation
           property :auto_date_and_time_zone, as: 'autoDateAndTimeZone'
           property :auto_time_required, as: 'autoTimeRequired'
           property :autofill_policy, as: 'autofillPolicy'
+          property :backup_service, as: 'backupService'
           property :block_applications_enabled, as: 'blockApplicationsEnabled'
           property :bluetooth_config_disabled, as: 'bluetoothConfigDisabled'
           property :bluetooth_contact_sharing_disabled, as: 'bluetoothContactSharingDisabled'