diff --git a/pyproject.toml b/pyproject.toml
index 07416486a..fa64c0b81 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "domainlab"
-version = "0.6.4"
+version = "0.6.5"
 readme = "README.md"
 repository = "https://github.com/marrlab/DomainLab"
 homepage = "https://marrlab.github.io/DomainLab/"
diff --git a/setup.py b/setup.py
index c56a64115..3738e48e7 100644
--- a/setup.py
+++ b/setup.py
@@ -38,7 +38,7 @@ def copy_dir(dir_path="zdata"):
     package_data={
         "zdata": [f for f in copy_dir()],
     },
-    version="0.6.4",
+    version="0.6.5",
     description="Library of modular domain generalization for deep learning",
     url="https://github.com/marrlab/DomainLab",
     author="Xudong Sun, et.al.",