diff --git a/bin/shot_them_all.py b/bin/shot_them_all.py
index 72f224c..31a984b 100644
--- a/bin/shot_them_all.py
+++ b/bin/shot_them_all.py
@@ -38,3 +38,5 @@ for theme in themes_data['themes']:
     browser.set_window_size(740, 360)  # ditto, horizontal
     browser.save_screenshot('shots/%s-mobile-horizontal.png' % theme_id)
     sys.stderr.write(u' 📸 \n')
+
+browser.close()