diff --git a/setup.py b/setup.py
index 712383839..d1bbd7f81 100755
--- a/setup.py
+++ b/setup.py
@@ -72,6 +72,7 @@ try:
                       ['qutebrowser = qutebrowser.qutebrowser:main']},
         zip_safe=True,
         install_requires=['pypeg2', 'jinja2', 'pygments', 'PyYAML', 'attrs'],
+        python_requires='>=3.5',
         name='qutebrowser',
         version='.'.join(str(e) for e in _get_constant('version_info')),
         description=_get_constant('description'),