diff --git a/Changelog.md b/Changelog.md
index 580415ef..4688325b 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -2,6 +2,16 @@
 
 All notable changes to this project will be documented in this file.
 
+## [0.1.9] 2023-10-02
+
+### Added
+
+### Changed
+
+### Fixed
+
+* Fixed bug in A* algorithm.
+
 ## [0.1.7] 2023-09-21
 
 ### Added
diff --git a/setup.py b/setup.py
index 6d26549d..cad8580a 100644
--- a/setup.py
+++ b/setup.py
@@ -1,11 +1,11 @@
 from setuptools import setup
 
-with open('ABOUT.md') as f:
+with open('README.md') as f:
     long_description = f.read()
 
 setup(
     name='aigyminsper',
-    version='0.1.8',
+    version='0.1.9',
     packages=['aigyminsper','aigyminsper.search'],
     install_requires=[],
     description='A libray that helps you to learn Artificial Intelligence.',