diff --git a/setup.cfg b/setup.cfg
index 5daff09..3456b49 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,6 +1,6 @@
 [metadata]
 name = absbox
-version = 0.28.11
+version = 0.28.12
 description_file = README.md
 author = xiaoyu, zhang
 author_email = always.zhang@gmail.com