diff --git a/third_party/firefox_sendtophone/install.rdf b/third_party/firefox_sendtophone/install.rdf
index dc5a565..2bda66c 100644
--- a/third_party/firefox_sendtophone/install.rdf
+++ b/third_party/firefox_sendtophone/install.rdf
@@ -28,7 +28,7 @@
 			<Description>
 				<em:id>{ec8030f7-c20a-464f-9b0e-13a3a9e97384}</em:id> <!-- Firefox -->
 				<em:minVersion>3.5</em:minVersion>
-				<em:maxVersion>6.*</em:maxVersion>
+				<em:maxVersion>7.*</em:maxVersion>
 			</Description>
 		</em:targetApplication>