diff --git a/MANIFEST.in b/MANIFEST.in
index 0649014d..a0d50c8e 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,3 +1,5 @@
 exclude __data__
 exclude __pycache__
 prune **/__data__/
+prune **/__pycache__
+prune *.pyc
\ No newline at end of file
diff --git a/python/jittor/__init__.py b/python/jittor/__init__.py
index 8a85aa65..77bee250 100644
--- a/python/jittor/__init__.py
+++ b/python/jittor/__init__.py
@@ -9,7 +9,7 @@
 # file 'LICENSE.txt', which is part of this source code package.
 # ***************************************************************
 
-__version__ = '1.2.3.85'
+__version__ = '1.2.3.86'
 from jittor_utils import lock
 with lock.lock_scope():
     ori_int = int