diff --git a/gpu4pyscf/__init__.py b/gpu4pyscf/__init__.py
index ba090afc..004dfb05 100644
--- a/gpu4pyscf/__init__.py
+++ b/gpu4pyscf/__init__.py
@@ -1,5 +1,5 @@
 from . import lib, grad, hessian, solvent, scf, dft
-__version__ = '0.6.12'
+__version__ = '0.6.13'
 
 # monkey patch libxc reference due to a bug in nvcc
 from pyscf.dft import libxc