diff --git a/MANIFEST.in b/MANIFEST.in
new file mode 100644
index 00000000..c1a7121c
--- /dev/null
+++ b/MANIFEST.in
@@ -0,0 +1,2 @@
+include LICENSE
+include README.md
diff --git a/setup.py b/setup.py
index 5515f2e4..35af84bd 100644
--- a/setup.py
+++ b/setup.py
@@ -1,12 +1,12 @@
-from setuptools import setup
+from setuptools import setup, find_namespace_packages
 
 with open("README.md", "r") as fh:
     long_description = fh.read()
 
 setup(
-    name='Metallicity_Stack_Commons',
-    version='1.2.0',
-    packages=['Metallicity_Stack_Commons'],
+    name='msc-astro',
+    version='1.4.4',
+    packages=find_namespace_packages(),
     url='https://github.com/astrochun/Metallicity_Stack_Commons',
     license='MIT License',
     author='Chun Ly',
@@ -14,5 +14,20 @@
     description='Set of common codes used in metallicity studies that use stacking techniques',
     long_description=long_description,
     long_description_content_type="text/markdown",
-    install_requires=['numpy', 'astropy', 'matplotlib', 'scipy', 'requests', 'pytest']
+    install_requires=[
+        'numpy>=1.18.4',
+        'astropy>=3.2.2',
+        'matplotlib>=3.1.1',
+        'scipy>=1.3.1',
+        'requests>=2.22.0',
+        'pytest'
+    ],
+    python_requires='>=3.7',
+    classifiers=[
+        'Development Status :: 4 - Beta',
+        'Programming Language :: Python :: 3 :: Only',
+        'Programming Language :: Python :: 3.7',
+        'Programming Language :: Python :: 3.8',
+        'Programming Language :: Python :: 3.9'
+    ]
 )