diff --git a/api_names_out.yaml b/api_names_out.yaml
index 3e72c8b351a..e47f8175f36 100644
--- a/api_names_out.yaml
+++ b/api_names_out.yaml
@@ -305176,6 +305176,7 @@
 "/networksecurity:v1beta1/FirewallEndpointAssociationReference/name": name
 "/networksecurity:v1beta1/FirewallEndpointAssociationReference/network": network
 "/networksecurity:v1beta1/FirewallEndpointEndpointSettings": firewall_endpoint_endpoint_settings
+"/networksecurity:v1beta1/FirewallEndpointEndpointSettings/jumboFramesEnabled": jumbo_frames_enabled
 "/networksecurity:v1beta1/GatewaySecurityPolicy": gateway_security_policy
 "/networksecurity:v1beta1/GatewaySecurityPolicy/createTime": create_time
 "/networksecurity:v1beta1/GatewaySecurityPolicy/description": description
diff --git a/generated/google-apis-networksecurity_v1beta1/CHANGELOG.md b/generated/google-apis-networksecurity_v1beta1/CHANGELOG.md
index 5917aed3e0d..904f9fef2c1 100644
--- a/generated/google-apis-networksecurity_v1beta1/CHANGELOG.md
+++ b/generated/google-apis-networksecurity_v1beta1/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Release history for google-apis-networksecurity_v1beta1
 
+### v0.58.0 (2025-10-19)
+
+* Regenerated from discovery document revision 20251001
+
 ### v0.57.0 (2025-10-05)
 
 * Regenerated from discovery document revision 20250925
diff --git a/generated/google-apis-networksecurity_v1beta1/lib/google/apis/networksecurity_v1beta1/classes.rb b/generated/google-apis-networksecurity_v1beta1/lib/google/apis/networksecurity_v1beta1/classes.rb
index 1792054367e..afb58e61ad4 100644
--- a/generated/google-apis-networksecurity_v1beta1/lib/google/apis/networksecurity_v1beta1/classes.rb
+++ b/generated/google-apis-networksecurity_v1beta1/lib/google/apis/networksecurity_v1beta1/classes.rb
@@ -1439,12 +1439,20 @@ def update!(**args)
       class FirewallEndpointEndpointSettings
         include Google::Apis::Core::Hashable
       
+        # Optional. Immutable. Indicates whether Jumbo Frames are enabled. Default value
+        # is false.
+        # Corresponds to the JSON property `jumboFramesEnabled`
+        # @return [Boolean]
+        attr_accessor :jumbo_frames_enabled
+        alias_method :jumbo_frames_enabled?, :jumbo_frames_enabled
+      
         def initialize(**args)
            update!(**args)
         end
       
         # Update properties of this object
         def update!(**args)
+          @jumbo_frames_enabled = args[:jumbo_frames_enabled] if args.key?(:jumbo_frames_enabled)
         end
       end
       
diff --git a/generated/google-apis-networksecurity_v1beta1/lib/google/apis/networksecurity_v1beta1/gem_version.rb b/generated/google-apis-networksecurity_v1beta1/lib/google/apis/networksecurity_v1beta1/gem_version.rb
index b5f9058d3f7..4d950fc5a9c 100644
--- a/generated/google-apis-networksecurity_v1beta1/lib/google/apis/networksecurity_v1beta1/gem_version.rb
+++ b/generated/google-apis-networksecurity_v1beta1/lib/google/apis/networksecurity_v1beta1/gem_version.rb
@@ -16,13 +16,13 @@ module Google
   module Apis
     module NetworksecurityV1beta1
       # Version of the google-apis-networksecurity_v1beta1 gem
-      GEM_VERSION = "0.57.0"
+      GEM_VERSION = "0.58.0"
 
       # 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 = "20250925"
+      REVISION = "20251001"
     end
   end
 end
diff --git a/generated/google-apis-networksecurity_v1beta1/lib/google/apis/networksecurity_v1beta1/representations.rb b/generated/google-apis-networksecurity_v1beta1/lib/google/apis/networksecurity_v1beta1/representations.rb
index 4626539854a..5ba8c9eb352 100644
--- a/generated/google-apis-networksecurity_v1beta1/lib/google/apis/networksecurity_v1beta1/representations.rb
+++ b/generated/google-apis-networksecurity_v1beta1/lib/google/apis/networksecurity_v1beta1/representations.rb
@@ -1114,6 +1114,7 @@ class Representation < Google::Apis::Core::JsonRepresentation
       class FirewallEndpointEndpointSettings
         # @private
         class Representation < Google::Apis::Core::JsonRepresentation
+          property :jumbo_frames_enabled, as: 'jumboFramesEnabled'
         end
       end