diff --git a/README.md b/README.md
index 4fd1adb..49e6bcd 100644
--- a/README.md
+++ b/README.md
@@ -75,7 +75,7 @@ The documentation can be found [here](https://splayout.readthedocs.io/en/latest/
 * New class: Circle, Rectangle.
 * Add port points definition for Polygon.
 
-### Version 0.1.3 & Version 0.1.4 (Sep 6, 2021)
+### Version 0.1.4 & Version 0.1.5 (Sep 6, 2021)
 
 * FDTD API added.
 * Binary Bat Algorithm & Direct Binary Search Algorithm for inverse design.
diff --git a/setup.py b/setup.py
index e27478f..a279612 100644
--- a/setup.py
+++ b/setup.py
@@ -1,10 +1,8 @@
 #!/usr/bin/env python
 
-#from distutils.core import setup
+
 from setuptools import setup
 
-with open("README.md") as fin:
-    long_description = fin.read()
 
 with open("splayout/__init__.py") as fin:
     for line in fin:
@@ -15,10 +13,9 @@
 setup(name='SPLayout',
       version=version,
       description='Silicon Photonics Design Tools for GDSII Files.',
-      # long_description=long_description,
       author='Zhenyu ZHAO',
       author_email='mailtozyzhao@163.com',
-      install_requires=['gdspy'],
+      install_requires=['gdspy','numpy','scipy'],
       url="https://github.com/Hideousmon/SPLayout",
       packages=['splayout']
       )
\ No newline at end of file
diff --git a/splayout/__init__.py b/splayout/__init__.py
index 38dfb5a..93a2028 100644
--- a/splayout/__init__.py
+++ b/splayout/__init__.py
@@ -1,4 +1,4 @@
-__version__ = "0.1.4"
+__version__ = "0.1.5"
 
 from splayout.AEMDgrating import MAKE_AEMD_GRATING
 from splayout.bend import Bend