diff --git a/google/resource_monitoring_uptime_check_config.go b/google/resource_monitoring_uptime_check_config.go
index 43735d1a..25db4d15 100644
--- a/google/resource_monitoring_uptime_check_config.go
+++ b/google/resource_monitoring_uptime_check_config.go
@@ -168,6 +168,7 @@ func resourceMonitoringUptimeCheckConfig() *schema.Resource {
 			"period": {
 				Type:     schema.TypeString,
 				Optional: true,
+				ForceNew: true,
 				Default:  "300s",
 			},
 			"resource_group": {
@@ -399,12 +400,6 @@ func resourceMonitoringUptimeCheckConfigUpdate(d *schema.ResourceData, meta inte
 	} else if v, ok := d.GetOkExists("display_name"); !isEmptyValue(reflect.ValueOf(v)) && (ok || !reflect.DeepEqual(v, displayNameProp)) {
 		obj["displayName"] = displayNameProp
 	}
-	periodProp, err := expandMonitoringUptimeCheckConfigPeriod(d.Get("period"), d, config)
-	if err != nil {
-		return err
-	} else if v, ok := d.GetOkExists("period"); !isEmptyValue(reflect.ValueOf(v)) && (ok || !reflect.DeepEqual(v, periodProp)) {
-		obj["period"] = periodProp
-	}
 	timeoutProp, err := expandMonitoringUptimeCheckConfigTimeout(d.Get("timeout"), d, config)
 	if err != nil {
 		return err