diff --git a/introspection/org.freedesktop.ModemManager1.Modem.xml b/introspection/org.freedesktop.ModemManager1.Modem.xml
index c3612d47..7ddd6d7a 100644
--- a/introspection/org.freedesktop.ModemManager1.Modem.xml
+++ b/introspection/org.freedesktop.ModemManager1.Modem.xml
@@ -360,6 +360,14 @@
     -->
     <property name="SignalQuality" type="(ub)" access="read" />
 
+    <!--
+        OwnNumbers:
+
+        List of numbers (e.g. MSISDN in 3GPP) being currently handled by this
+        modem.
+    -->
+    <property name="OwnNumbers" type="as" access="read" />
+
     <!--
         SupportedModes: