diff --git a/hash/hash.go b/hash/hash.go
index c51bc61..d928aae 100644
--- a/hash/hash.go
+++ b/hash/hash.go
@@ -1,4 +1,4 @@
-package main
+package hash
 
 import (
 	"crypto/md5"
diff --git a/hash/hash_test.go b/hash/hash_test.go
index f3bb0c3..e5ba05e 100644
--- a/hash/hash_test.go
+++ b/hash/hash_test.go
@@ -1,4 +1,4 @@
-package main
+package hash
 
 import (
 	"fmt"