diff --git a/Run/metadata/V2/VendorSettings.php b/Run/metadata/V2/VendorSettings.php
index c96bdb10ec7..5504bca48fb 100644
Binary files a/Run/metadata/V2/VendorSettings.php and b/Run/metadata/V2/VendorSettings.php differ
diff --git a/Run/src/V2/ServiceScaling.php b/Run/src/V2/ServiceScaling.php
index eff3cf1badc..7fa643373a0 100644
--- a/Run/src/V2/ServiceScaling.php
+++ b/Run/src/V2/ServiceScaling.php
@@ -30,6 +30,14 @@ class ServiceScaling extends \Google\Protobuf\Internal\Message
      * Generated from protobuf field <code>.google.cloud.run.v2.ServiceScaling.ScalingMode scaling_mode = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
      */
     protected $scaling_mode = 0;
+    /**
+     * Optional. total instance count for the service in manual scaling mode. This
+     * number of instances is divided among all revisions with specified traffic
+     * based on the percent of traffic they are receiving.
+     *
+     * Generated from protobuf field <code>optional int32 manual_instance_count = 6 [(.google.api.field_behavior) = OPTIONAL];</code>
+     */
+    protected $manual_instance_count = null;
 
     /**
      * Constructor.
@@ -43,6 +51,10 @@ class ServiceScaling extends \Google\Protobuf\Internal\Message
      *           of traffic they are receiving.
      *     @type int $scaling_mode
      *           Optional. The scaling mode for the service.
+     *     @type int $manual_instance_count
+     *           Optional. total instance count for the service in manual scaling mode. This
+     *           number of instances is divided among all revisions with specified traffic
+     *           based on the percent of traffic they are receiving.
      * }
      */
     public function __construct($data = NULL) {
@@ -106,5 +118,45 @@ public function setScalingMode($var)
         return $this;
     }
 
+    /**
+     * Optional. total instance count for the service in manual scaling mode. This
+     * number of instances is divided among all revisions with specified traffic
+     * based on the percent of traffic they are receiving.
+     *
+     * Generated from protobuf field <code>optional int32 manual_instance_count = 6 [(.google.api.field_behavior) = OPTIONAL];</code>
+     * @return int
+     */
+    public function getManualInstanceCount()
+    {
+        return isset($this->manual_instance_count) ? $this->manual_instance_count : 0;
+    }
+
+    public function hasManualInstanceCount()
+    {
+        return isset($this->manual_instance_count);
+    }
+
+    public function clearManualInstanceCount()
+    {
+        unset($this->manual_instance_count);
+    }
+
+    /**
+     * Optional. total instance count for the service in manual scaling mode. This
+     * number of instances is divided among all revisions with specified traffic
+     * based on the percent of traffic they are receiving.
+     *
+     * Generated from protobuf field <code>optional int32 manual_instance_count = 6 [(.google.api.field_behavior) = OPTIONAL];</code>
+     * @param int $var
+     * @return $this
+     */
+    public function setManualInstanceCount($var)
+    {
+        GPBUtil::checkInt32($var);
+        $this->manual_instance_count = $var;
+
+        return $this;
+    }
+
 }