diff --git a/docs/source/conf.py b/docs/source/conf.py
index 3d245d9..ec4e132 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -21,7 +21,7 @@
 author = 'kiui'
 
 # The full version, including alpha/beta/rc tags
-release = '0.2.8'
+release = '0.2.9'
 
 
 # -- General configuration ---------------------------------------------------
diff --git a/setup.py b/setup.py
index dc72422..2efdfa1 100644
--- a/setup.py
+++ b/setup.py
@@ -3,7 +3,7 @@
 if __name__ == "__main__":
     setup(
         name="kiui",
-        version="0.2.8",
+        version="0.2.9",
         description="A toolkit for 3D vision",
         long_description=open("README.md", encoding="utf-8").read(),
         long_description_content_type="text/markdown",