diff --git a/conf.py b/conf.py
index 2f78ac000a5..57f6751841d 100644
--- a/conf.py
+++ b/conf.py
@@ -149,6 +149,8 @@ def has(self, *args):
     'stable': conf.version.stable,
     'sitename': sconf.theme.sitename,
     'nav_excluded': sconf.theme.nav_excluded,
+    'eol': True,
+    'eol_msg': 'This version of the manual is no longer supported.'
 }
 
 html_sidebars = sconf.sidebars