diff --git a/main.go b/main.go
index b2922aa..ad67a3f 100644
--- a/main.go
+++ b/main.go
@@ -5,6 +5,7 @@ package main
 import (
 	"database/sql"
 	"flag"
+	"fmt"
 	"log"
 	"math/rand"
 	"sync"