diff --git a/NEWS.rst b/NEWS.rst
index 457f521..0a1d06d 100644
--- a/NEWS.rst
+++ b/NEWS.rst
@@ -2,6 +2,9 @@ Version History
 ===============
 
 
+Version 0.6.2 (2021-06-05):
+ * build doc fix, use sphinx4, mathjax2, html_css_files
+
 Version 0.6.1 (2021-06-05):
  * New default driving function for `sfs.td.wfs.point_25d()` for reference curve
 
diff --git a/sfs/__init__.py b/sfs/__init__.py
index 2c6c16f..6e3d57c 100644
--- a/sfs/__init__.py
+++ b/sfs/__init__.py
@@ -16,7 +16,7 @@
     util
 
 """
-__version__ = "0.6.1"
+__version__ = "0.6.2"
 
 
 class default: