diff --git a/src/Period.php b/src/Period.php
index 7591620..dd4a814 100644
--- a/src/Period.php
+++ b/src/Period.php
@@ -3,7 +3,7 @@
 namespace Kurt\Google\Analytics;
 
 use Carbon\Carbon;
-use Kurt\Google\Analytics\Exceptions\InvalidPeriod;
+use Kurt\Google\Analytics\Exceptions\InvalidPeriodException;
 
 class Period
 {
@@ -95,4 +95,4 @@ public function validatePeriod(Carbon $startDate = null, Carbon $endDate = null)
             throw new InvalidPeriodException($startDate, $endDate);
         }
     }
-}
\ No newline at end of file
+}