diff --git a/vendor/github.com/PagerDuty/go-pagerduty/service.go b/vendor/github.com/PagerDuty/go-pagerduty/service.go
index d877a63eb..06ede531c 100644
--- a/vendor/github.com/PagerDuty/go-pagerduty/service.go
+++ b/vendor/github.com/PagerDuty/go-pagerduty/service.go
@@ -114,9 +114,10 @@ type AlertGroupingParameters struct {
 
 // AlertGroupParamsConfig is the config object on alert_grouping_parameters
 type AlertGroupParamsConfig struct {
-	Timeout   *uint    `json:"timeout,omitempty"`
-	Aggregate string   `json:"aggregate,omitempty"`
-	Fields    []string `json:"fields,omitempty"`
+	Timeout    *uint    `json:"timeout,omitempty"`
+	Aggregate  string   `json:"aggregate,omitempty"`
+	Fields     []string `json:"fields,omitempty"`
+	TimeWindow *uint    `json:"time_window,omitempty"`
 }
 
 // ListServiceOptions is the data structure used when calling the ListServices API endpoint.