diff --git a/pisi-spec.rng b/pisi-spec.rng
index 7ac9abb5..d7eea58c 100644
--- a/pisi-spec.rng
+++ b/pisi-spec.rng
@@ -464,6 +464,7 @@
                 <value>SixXS</value>
                 <value>Sleepycat</value>
                 <value>Smart-Link</value>
+                <value>Smokin-Guns-1.0</value>
                 <value>SpeedTouch-USB-Firmware</value>
                 <value>Spice-1.1</value>
                 <value>Spread-1.0</value>