diff --git a/test/Spec.hs b/test/Spec.hs
index db77959..99dd1bb 100644
--- a/test/Spec.hs
+++ b/test/Spec.hs
@@ -19,6 +19,7 @@ import qualified Data.Text as T
 
 import           Network.Minio
 import           Network.Minio.Data
+import           Network.Minio.PutObject
 import           Network.Minio.S3API
 import           Network.Minio.Utils
 import           Network.Minio.XmlGenerator.Test