diff --git a/CHANGELOG.md b/CHANGELOG.md
index dfba1d9..75fbf5e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -14,6 +14,8 @@ No breaking changes. The only changes are to the development dependencies used f
 
 ## Changes
 
+- Add second-level aggregation and make sure that microseconds is always set to 0
+
 ### 3.2.0 - 2024-02-28
 
 - Add Laravel 11 compatibility
diff --git a/config/route-statistics.php b/config/route-statistics.php
index 92cca24..7e21248 100644
--- a/config/route-statistics.php
+++ b/config/route-statistics.php
@@ -18,7 +18,7 @@
     |--------------------------------------------------------------------------
     |
     | This setting controls how we should aggregate requests.
-    | Possible values are: MINUTE, HOUR, DAY, MONTH, YEAR
+    | Possible values are: SECOND, MINUTE, HOUR, DAY, MONTH, YEAR
     |
     */
     'aggregate' => env('ROUTE_STATISTICS_AGGREGATE', 'DAY'),
diff --git a/src/Models/RouteStatistic.php b/src/Models/RouteStatistic.php
index b27a00e..aa3e823 100644
--- a/src/Models/RouteStatistic.php
+++ b/src/Models/RouteStatistic.php
@@ -109,10 +109,14 @@ protected function getDate()
         $date = Date::now();
         $aggregate = config('route-statistics.aggregate');
 
-        if ($aggregate && ! in_array($aggregate, ['YEAR', 'MONTH', 'DAY', 'HOUR', 'MINUTE'])) {
+        if ($aggregate && ! in_array($aggregate, ['YEAR', 'MONTH', 'DAY', 'HOUR', 'MINUTE', 'SECOND'])) {
             throw new \OutOfBoundsException('Invalid date aggregation');
         }
 
+        if (in_array($aggregate, ['YEAR', 'MONTH', 'DAY', 'HOUR', 'MINUTE', 'SECOND'])) {
+            $date->setMicrosecond(0);
+        }
+
         if (in_array($aggregate, ['YEAR', 'MONTH', 'DAY', 'HOUR', 'MINUTE'])) {
             $date->setSecond(0);
         }