diff --git a/platform/firefox/install.rdf b/platform/firefox/install.rdf
index e478a268a..e9b39263a 100644
--- a/platform/firefox/install.rdf
+++ b/platform/firefox/install.rdf
@@ -47,7 +47,7 @@
         <em:targetApplication>
             <Description>
                 <em:id>{{8de7fcbb-c55c-4fbe-bfc5-fc555c87dbc4}}</em:id>
-                <em:minVersion>26.0</em:minVersion>
+                <em:minVersion>27.0</em:minVersion>
                 <em:maxVersion>27.*</em:maxVersion>
             </Description>
         </em:targetApplication>