diff --git a/released_box/perming/__init__.py b/released_box/perming/__init__.py
index 5cfd496..a4f5004 100644
--- a/released_box/perming/__init__.py
+++ b/released_box/perming/__init__.py
@@ -27,4 +27,4 @@
     'Multi-outputs': Ranker
 }
 
-__version__ = '1.8.0'
\ No newline at end of file
+__version__ = '1.8.1'
\ No newline at end of file