diff --git a/MANIFEST.in b/MANIFEST.in
index 1aba38f67a2211cf5b09466d7b411206cb7223bf..25cda7bdf5993763f575bd15f250ec93f0acaa12 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1 +1,2 @@
 include LICENSE
+recursive-include package *
\ No newline at end of file
diff --git a/setup.py b/setup.py
index 00f0331d86939ae2471503f4fc82d3a59c5d6b69..b4799408e7640c880eb3a5142ca9d18ba81acd97 100755
--- a/setup.py
+++ b/setup.py
@@ -43,5 +43,6 @@ setup(
                       'sbmlxdf >= 0.2.7'],
     python_requires=">=3.7",
     keywords=['modeling', 'standardization', 'SBML'],
+    include_package_data=True,
     **setup_kwargs
 )