diff --git a/api_names_out.yaml b/api_names_out.yaml
index e9d4a42e9..cdac1e132 100644
--- a/api_names_out.yaml
+++ b/api_names_out.yaml
@@ -123295,6 +123295,7 @@
 "/privateca:v1beta1/AuditLogConfig/exemptedMembers/exempted_member": exempted_member
 "/privateca:v1beta1/AuditLogConfig/logType": log_type
 "/privateca:v1beta1/Binding": binding
+"/privateca:v1beta1/Binding/bindingId": binding_id
 "/privateca:v1beta1/Binding/condition": condition
 "/privateca:v1beta1/Binding/members": members
 "/privateca:v1beta1/Binding/members/member": member
diff --git a/generated/google/apis/privateca_v1beta1.rb b/generated/google/apis/privateca_v1beta1.rb
index 2b4b2f339..52a52cbe5 100644
--- a/generated/google/apis/privateca_v1beta1.rb
+++ b/generated/google/apis/privateca_v1beta1.rb
@@ -20,12 +20,14 @@ module Google
   module Apis
     # Certificate Authority API
     #
-    # 
+    # The Certificate Authority Service API is a highly-available, scalable service
+    # that enables you to simplify and automate the management of private
+    # certificate authorities (CAs) while staying in control of your private keys."
     #
     # @see https://cloud.google.com/
     module PrivatecaV1beta1
       VERSION = 'V1beta1'
-      REVISION = '20201022'
+      REVISION = '20201029'
 
       # View and manage your data across Google Cloud Platform services
       AUTH_CLOUD_PLATFORM = 'https://www.googleapis.com/auth/cloud-platform'
diff --git a/generated/google/apis/privateca_v1beta1/classes.rb b/generated/google/apis/privateca_v1beta1/classes.rb
index 9e93e7e9f..65f444628 100644
--- a/generated/google/apis/privateca_v1beta1/classes.rb
+++ b/generated/google/apis/privateca_v1beta1/classes.rb
@@ -254,6 +254,11 @@ module Google
       class Binding
         include Google::Apis::Core::Hashable
       
+        # 
+        # Corresponds to the JSON property `bindingId`
+        # @return [String]
+        attr_accessor :binding_id
+      
         # Represents a textual expression in the Common Expression Language (CEL) syntax.
         # CEL is a C-like expression language. The syntax and semantics of CEL are
         # documented at https://github.com/google/cel-spec. Example (Comparison): title:
@@ -315,6 +320,7 @@ module Google
       
         # Update properties of this object
         def update!(**args)
+          @binding_id = args[:binding_id] if args.key?(:binding_id)
           @condition = args[:condition] if args.key?(:condition)
           @members = args[:members] if args.key?(:members)
           @role = args[:role] if args.key?(:role)
diff --git a/generated/google/apis/privateca_v1beta1/representations.rb b/generated/google/apis/privateca_v1beta1/representations.rb
index 767f08e51..84ada8f99 100644
--- a/generated/google/apis/privateca_v1beta1/representations.rb
+++ b/generated/google/apis/privateca_v1beta1/representations.rb
@@ -434,6 +434,7 @@ module Google
       class Binding
         # @private
         class Representation < Google::Apis::Core::JsonRepresentation
+          property :binding_id, as: 'bindingId'
           property :condition, as: 'condition', class: Google::Apis::PrivatecaV1beta1::Expr, decorator: Google::Apis::PrivatecaV1beta1::Expr::Representation
       
           collection :members, as: 'members'
diff --git a/generated/google/apis/privateca_v1beta1/service.rb b/generated/google/apis/privateca_v1beta1/service.rb
index bafdb9787..80a6b79a7 100644
--- a/generated/google/apis/privateca_v1beta1/service.rb
+++ b/generated/google/apis/privateca_v1beta1/service.rb
@@ -22,7 +22,9 @@ module Google
     module PrivatecaV1beta1
       # Certificate Authority API
       #
-      # 
+      # The Certificate Authority Service API is a highly-available, scalable service
+      #  that enables you to simplify and automate the management of private
+      #  certificate authorities (CAs) while staying in control of your private keys."
       #
       # @example
       #    require 'google/apis/privateca_v1beta1'
diff --git a/generated/google/apis/privateca_v1beta1/synth.metadata b/generated/google/apis/privateca_v1beta1/synth.metadata
index fb5a74b21..94bafe40a 100644
--- a/generated/google/apis/privateca_v1beta1/synth.metadata
+++ b/generated/google/apis/privateca_v1beta1/synth.metadata
@@ -4,7 +4,7 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/google-api-ruby-client.git",
-        "sha": "9840c481849200572321532ecc3b128bebbc1583"
+        "sha": "e63bb021e6b8fdd62ae1bbe0030f1af1853c860d"
       }
     }
   ]