diff --git a/MANIFEST b/MANIFEST
index 0676427..4f7b7ec 100644
--- a/MANIFEST
+++ b/MANIFEST
@@ -2,3 +2,11 @@
 setup.cfg
 setup.py
 freecad_gear/__init__.py
+freecad_gear/freecad/__init__.py
+freecad_gear/freecad/commands.py
+freecad_gear/gearfunc/_Classes.py
+freecad_gear/gearfunc/__init__.py
+freecad_gear/gearfunc/_bevel_tooth.py
+freecad_gear/gearfunc/_cycloide_tooth.py
+freecad_gear/gearfunc/_functions.py
+freecad_gear/gearfunc/_involute_tooth.py
diff --git a/MANIFEST.in b/MANIFEST.in
new file mode 100644
index 0000000..5c839d6
--- /dev/null
+++ b/MANIFEST.in
@@ -0,0 +1,2 @@
+include AUTHORS CHANGES README INSTALL LICENCE
+recursive-include freecad_gear *.py
\ No newline at end of file