diff --git a/generated/google-apis-iap_v1/CHANGELOG.md b/generated/google-apis-iap_v1/CHANGELOG.md
index bf79fd6dfa5..641d1691b5f 100644
--- a/generated/google-apis-iap_v1/CHANGELOG.md
+++ b/generated/google-apis-iap_v1/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Release history for google-apis-iap_v1
 
+### v0.55.0 (2025-10-19)
+
+* Regenerated from discovery document revision 20251013
+
 ### v0.54.0 (2025-06-01)
 
 * Regenerated from discovery document revision 20250524
diff --git a/generated/google-apis-iap_v1/lib/google/apis/iap_v1/classes.rb b/generated/google-apis-iap_v1/lib/google/apis/iap_v1/classes.rb
index a2fff6d4feb..b0f5546fbdf 100644
--- a/generated/google-apis-iap_v1/lib/google/apis/iap_v1/classes.rb
+++ b/generated/google-apis-iap_v1/lib/google/apis/iap_v1/classes.rb
@@ -1076,13 +1076,15 @@ class Resource
         attr_accessor :labels
       
         # The locations of the resource. This field is used to determine whether the
-        # request is compliant with Trust Boundaries. Usage: - If unset or empty, the
-        # location of authorization is used as the target location. - For global
-        # resources: use a single value of "global". - For regional/multi-regional
-        # resources: use name of the GCP region(s) where the resource exists (e.g., ["us-
-        # east1", "us-west1"]). For multi-regional resources specify the name of each
-        # GCP region in the resource's multi-region. NOTE: Only GCP cloud region names
-        # are supported - go/cloud-region-names.
+        # request is compliant with Trust Boundaries. Usage: - Must not be empty for
+        # services in-scope for Trust Boundaries. Once Trust Boundaries is GA, empty
+        # values will cause the request to be rejected if customers enforce Trust
+        # Boundaries on the parent CRM nodes. - For global resources: use a single value
+        # of "global". - For regional/multi-regional resources: use name of the GCP
+        # region(s) where the resource exists (e.g., ["us-east1", "us-west1"]). For
+        # multi-regional resources specify the name of each GCP region in the resource's
+        # multi-region. NOTE: Only GCP cloud region names are supported - go/cloud-
+        # region-names.
         # Corresponds to the JSON property `locations`
         # @return [Array<String>]
         attr_accessor :locations
diff --git a/generated/google-apis-iap_v1/lib/google/apis/iap_v1/gem_version.rb b/generated/google-apis-iap_v1/lib/google/apis/iap_v1/gem_version.rb
index 9d205cfe339..e7dbb3ce9e5 100644
--- a/generated/google-apis-iap_v1/lib/google/apis/iap_v1/gem_version.rb
+++ b/generated/google-apis-iap_v1/lib/google/apis/iap_v1/gem_version.rb
@@ -16,13 +16,13 @@ module Google
   module Apis
     module IapV1
       # Version of the google-apis-iap_v1 gem
-      GEM_VERSION = "0.54.0"
+      GEM_VERSION = "0.55.0"
 
       # 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 = "20250524"
+      REVISION = "20251013"
     end
   end
 end