diff --git a/gocos.go b/gocos.go
index 342ab17..5b1b4d2 100644
--- a/gocos.go
+++ b/gocos.go
@@ -11,6 +11,7 @@ import (
 	"os"
 	"path/filepath"
 	"strings"
+	_ "time/tzdata"
 )
 
 const (