diff --git a/MANIFEST.in b/MANIFEST.in
index 260cb81..8d52343 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,2 +1,5 @@
 include *.md
-recursive-include my_package *.txt
\ No newline at end of file
+include *.in
+include LICENSE
+recursive-include CIAlign *.txt
+recursive-include CIAlign *.py
\ No newline at end of file
diff --git a/setup.py b/setup.py
index 11a34f0..ef2bd68 100644
--- a/setup.py
+++ b/setup.py
@@ -25,6 +25,7 @@
      packages=setuptools.find_packages(),
      package_dir={'cialign':'cialign'},
      package_data={'cialign': ['CIAlign/*.txt']},
+     include_package_data=True,
      install_requires=['matplotlib', 'numpy', 'ConfigArgParse', 'pillow'],
      scripts=['CIAlign/CIAlign'],
      classifiers=[