diff --git a/MANIFEST.in b/MANIFEST.in
index 4a797c5..1e3ddeb 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -10,6 +10,6 @@ include *.md
 include setup.py
 
 # Include the data files
-recursive-include pyeqeq/data 
+recursive-include src/pyeqeq/data *.dat
 
-recursive-include src/main.cpp src/main.h
\ No newline at end of file
+recursive-include src *.c *.h
\ No newline at end of file
diff --git a/setup.cfg b/setup.cfg
index 00855de..e887ee1 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,6 +1,6 @@
 [metadata]
 name=pyeqeq
-version=v0.0.6
+version=v0.0.7
 description=Charge equilibration method for crystal structures
 long_description=file: README.md
 long_description_content_type=text/markdown
diff --git a/setup.py b/setup.py
index 7d4c7bd..f95e959 100644
--- a/setup.py
+++ b/setup.py
@@ -28,4 +28,5 @@
     cmdclass={"build_ext": build_ext},
     package_data={"": ["data/*.dat"]},
     include_package_data=True,
+    headers=['src/main.h']
 )