diff --git a/README.md b/README.md
index 06706e4..5095b5c 100644
--- a/README.md
+++ b/README.md
@@ -18,10 +18,8 @@ This Python package provides a <a href="http://www.python.org">`Python`</a> inte
     Install the python package using Conda
 
 For detailed installation instruction, please refer to the documentation.
-   
     
 Note: installation of `HexWatershed` requires a `c++` compiler and the `cmake` utility. Besides, the `GDAL` is required to build the model.
-    
 
 ### `Acknowledgement`
 
diff --git a/setup.py b/setup.py
index a862bef..4016d0f 100644
--- a/setup.py
+++ b/setup.py
@@ -12,7 +12,7 @@
 AUTHOR = "Chang Liao"
 AUTHOR_EMAIL = "chang.liao@pnnl.gov"
 URL = "https://github.com/changliao1025/pyhexwatershed"
-VERSION = "0.1.8"
+VERSION = "0.1.9"
 REQUIRES_PYTHON = ">=3.8.0"
 KEYWORDS = "hexwatershed hexagon"