diff --git a/site.conf b/site.conf
index 81c4667..7ccf490 100644
--- a/site.conf
+++ b/site.conf
@@ -117,7 +117,7 @@
           'http://[fdef:ffc0:4fff::130]/stable/sysupgrade/',
         },
         probability = 0.1,
-        good_signatures = 2,
+        good_signatures = 3,
         pubkeys = {
           '2a74ed02120a7d48bb2dc9be988b3480ed99844054b3d7f3e5d3df27d19d814b', -- ole
           '7e3bd782e40189b903b3fb1e488d64b23aa04bc353b1a521b4cd50e70b299113', -- fpletz