diff --git a/domains/ffrgb_cty.conf b/domains/ffrgb_cty.conf
index a228753..12233d1 100644
--- a/domains/ffrgb_cty.conf
+++ b/domains/ffrgb_cty.conf
@@ -110,6 +110,11 @@
           'http://fw.services.ffrgb/firmware-11s/experimental/sysupgrade/',
         },
       },
+      testing = {
+        mirrors = {
+          'http://fw.services.ffrgb/firmware-11s/testing/sysupgrade/',
+        },
+      },
     },
   },
 }
diff --git a/domains/ffrgb_tst.conf b/domains/ffrgb_tst.conf
index 4ad4b02..024ae09 100644
--- a/domains/ffrgb_tst.conf
+++ b/domains/ffrgb_tst.conf
@@ -111,6 +111,11 @@
           'http://fw.services.ffrgb/firmware-11s/experimental/sysupgrade/',
         },
       },
+      testing = {
+        mirrors = {
+          'http://fw.services.ffrgb/firmware-11s/testing/sysupgrade/',
+        },
+      },
     },
   },
 }
diff --git a/domains/ffrgb_uml.conf b/domains/ffrgb_uml.conf
index 3cf3944..90d1720 100644
--- a/domains/ffrgb_uml.conf
+++ b/domains/ffrgb_uml.conf
@@ -110,6 +110,11 @@
           'http://fw.services.ffrgb/firmware-11s/experimental/sysupgrade/',
         },
       },
+      testing = {
+        mirrors = {
+          'http://fw.services.ffrgb/firmware-11s/testing/sysupgrade/',
+        },
+      },
     },
   },
 }
diff --git a/site.conf b/site.conf
index eb7d2a2..d21aa44 100644
--- a/site.conf
+++ b/site.conf
@@ -48,6 +48,15 @@
           'dc024622f48f25f3e11881eab29a2a015950f31c884f0043ddc78156dcfab9da', -- xaver
         },
       },
+      testing = {
+        name = 'testing',
+        good_signatures = 1,
+        pubkeys = {
+          '4d6b1a8e2ecfdb59469c38c3659916dd6046cd5270ddd31c3319b21c508eaa07', -- mephisto
+          '130ff01b6c8df0349c977a5c9539775209493bc771b713e5b3e58cc1d7c4145a', -- sven
+          'dc024622f48f25f3e11881eab29a2a015950f31c884f0043ddc78156dcfab9da', -- xaver
+        },
+      },
     },
   },