diff --git a/python-hkdf.spec b/python-hkdf.spec
index fcfbf7c..adb6314 100644
--- a/python-hkdf.spec
+++ b/python-hkdf.spec
@@ -46,7 +46,8 @@ This module implements the HMAC Key Derivation function.
 %python_expand %fdupes %{buildroot}%{$python_sitelib}
 
 %files %{python_files}
-%{python_sitelib}/hkdf
+%{python_sitelib}/hkdf.py
 %{python_sitelib}/hkdf-%{version}*-info
+%pycache_only %{python_sitelib}/__pycache__/hkdf*
 
 %changelog