diff --git a/cli/setup.py b/cli/setup.py
index 17626e7a..7fec113a 100644
--- a/cli/setup.py
+++ b/cli/setup.py
@@ -11,7 +11,7 @@ from setuptools import setup
 setup(
     name='signit',
     version='1.0',
-    py_modules=['signit'],
+    py_modules=['signit', 'sigheader'],
     install_requires=[
         'Click',
     ],