diff --git a/python-Pympler.changes b/python-Pympler.changes
index b69a8a4..d1fc9bc 100644
--- a/python-Pympler.changes
+++ b/python-Pympler.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Thu Oct 27 22:51:11 UTC 2022 - Matej Cepl <mcepl@suse.com>
+
+- Clean up SPEC file.
+
 -------------------------------------------------------------------
 Thu Oct 27 12:15:13 UTC 2022 - Matej Cepl <mcepl@suse.com>
 
diff --git a/python-Pympler.spec b/python-Pympler.spec
index 09fd293..c4e0570 100644
--- a/python-Pympler.spec
+++ b/python-Pympler.spec
@@ -35,6 +35,7 @@ BuildRequires:  %{python_module setuptools}
 BuildRequires:  fdupes
 BuildRequires:  python-rpm-macros
 BuildArch:      noarch
+Requires:       python-tk
 %python_subpackages
 
 %description
@@ -52,6 +53,9 @@ can easily be identified.
 # Remove bundled bottle (gh#pympler/pympler#148)
 rm pympler/util/bottle.py
 
+# Remove unnecessary shebang
+sed -i '1{\@^#!%{_bindir}/env python@d}' pympler/asizeof.py
+
 %build
 %python_build
 
@@ -69,6 +73,7 @@ skiptests+=" or test_findgarbage or test_prune or test_get_tree"
 %files %{python_files}
 %license LICENSE
 %doc README.md
-%{python_sitelib}/*
+%{python_sitelib}/pympler
+%{python_sitelib}/Pympler-%{version}*-info
 
 %changelog