diff --git a/MANIFEST.in b/MANIFEST.in
new file mode 100644
index 00000000..8a3558db
--- /dev/null
+++ b/MANIFEST.in
@@ -0,0 +1,3 @@
+recursive-include src/frds/datasets *.zip
+recursive-include src/frds *.cpp
+recursive-include src/frds *.hpp
diff --git a/docs/source/index.rst b/docs/source/index.rst
index b268cade..8a6e53af 100644
--- a/docs/source/index.rst
+++ b/docs/source/index.rst
@@ -9,7 +9,7 @@ of ready-to-use methods for computing a wide array of measures in the literature
 It is developed by Dr. `Mingze Gao <http://mingze-gao.com>`_  from the University of Sydney, as 
 a personal project during his postdoctoral research fellowship.
 
-|GitHub license| |PyPI Downloads| |Tests|
+|GitHub license| |PyPI Downloads| |Tests| |PyPI Version|
 
 .. |GitHub license| image:: https://img.shields.io/github/license/mgao6767/frds?color=blue
    :target: https://github.com/mgao6767/frds/blob/master/LICENSE
@@ -20,6 +20,9 @@ a personal project during his postdoctoral research fellowship.
 .. |Tests| image:: https://github.com/mgao6767/frds/actions/workflows/test.yml/badge.svg
    :target: https://github.com/mgao6767/frds/actions/workflows/test.yml
 
+.. |PyPI Version| image:: https://badge.fury.io/py/frds.svg
+   :target: https://badge.fury.io/py/frds
+
 .. |frds| replace:: :code:`frds`
 
 .. important:: 
diff --git a/pyproject.toml b/pyproject.toml
index ba93ec86..93f0864b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,31 +1,26 @@
 [project]
 name = "frds"
 version = "2.0.0rc1"
-authors = [
-  { name="Mingze Gao", email="adrian.gao@outlook.com" },
-]
+authors = [{ name = "Mingze Gao", email = "adrian.gao@outlook.com" }]
 description = "Financial Research Data Services"
 readme = "README.md"
 requires-python = ">=3.8"
 classifiers = [
-    "Operating System :: OS Independent",
-    "License :: OSI Approved :: MIT License",
-    "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3.8",
-    "Intended Audience :: End Users/Desktop",
-    "Intended Audience :: Financial and Insurance Industry",
-    "Intended Audience :: Education",
-    "Intended Audience :: Science/Research",
-    "Topic :: Scientific/Engineering :: Information Analysis",
-]
-license = {text = "MIT License"}
-dependencies = [
-  "arch",
-  "numpy",
-  "pandas",
-  "scipy",
-  "matplotlib"
+  "Operating System :: OS Independent",
+  "License :: OSI Approved :: MIT License",
+  "Programming Language :: Python :: 3",
+  "Programming Language :: Python :: 3.8",
+  "Programming Language :: Python :: 3.9",
+  "Programming Language :: Python :: 3.10",
+  "Programming Language :: Python :: 3.11",
+  "Intended Audience :: End Users/Desktop",
+  "Intended Audience :: Financial and Insurance Industry",
+  "Intended Audience :: Education",
+  "Intended Audience :: Science/Research",
+  "Topic :: Scientific/Engineering :: Information Analysis",
 ]
+license = { text = "MIT License" }
+dependencies = ["arch", "numpy", "pandas", "scipy", "matplotlib"]
 
 
 [project.urls]
diff --git a/setup.py b/setup.py
index 68c6c063..58ac2e12 100644
--- a/setup.py
+++ b/setup.py
@@ -37,5 +37,6 @@
 setup(
     packages=find_packages(where="src"),
     package_dir={"": "src"},
+    include_package_data=True,
     ext_modules=ext_modules,
 )