diff --git a/site.conf b/site.conf
index 4c3f79b..b37dada 100644
--- a/site.conf
+++ b/site.conf
@@ -100,6 +100,21 @@ autoupdater = {
                     '40f4e0d70ad87dda6ec60e454f9fdf6bd203c89615ff89bd33c365391ffabbe0', -- Reka
                 },
             },
+            preview = {
+                name = 'preview',
+                mirrors = {
+                    'http://update1.infra.fftdf/preview/sysupgrade',
+                    'http://[fda0:747e:ab29:7405::3]/preview/sysupgrade'
+                },
+                probability = 1.00,
+                good_signatures = 1,
+                pubkeys = {
+                    '2647b9fec75e130e153728ee8fad14b24764f23637eb9f3b0a68f2a279a74914', -- Stefan
+                    '98be9ceda320d469db01262ede69820b6ac245bf96433cf99b66726cc04fecf7', -- Kemal
+                    '40f4e0d70ad87dda6ec60e454f9fdf6bd203c89615ff89bd33c365391ffabbe0', -- Reka
+                },
+            },
+
         },
     },
     simple_tc = {