diff --git a/introspection/org.freedesktop.ModemManager.Modem.Gsm.xml b/introspection/org.freedesktop.ModemManager.Modem.Gsm.xml
index 9afe64f2..1abf9155 100644
--- a/introspection/org.freedesktop.ModemManager.Modem.Gsm.xml
+++ b/introspection/org.freedesktop.ModemManager.Modem.Gsm.xml
@@ -163,6 +163,9 @@
       <tp:enumvalue suffix="HSPA_PLUS" value="9">
         <tp:docstring>HSPA+ (ETSI 27.007: "UTRAN w/HSPA+")</tp:docstring>
       </tp:enumvalue>
+      <tp:enumvalue suffix="LTE" value="10">
+        <tp:docstring>LTE (ETSI 27.007: "E-UTRAN")</tp:docstring>
+      </tp:enumvalue>
     </tp:enum>
 
   </interface>