diff --git a/platform/firefox/install.rdf b/platform/firefox/install.rdf
index 94d1d49..e85207a 100644
--- a/platform/firefox/install.rdf
+++ b/platform/firefox/install.rdf
@@ -19,8 +19,8 @@
         <targetApplication>
             <r:Description>
                 <id>{{ec8030f7-c20a-464f-9b0e-13a3a9e97384}}</id>
-                <minVersion>24.0</minVersion>
-                <maxVersion>46.0</maxVersion>
+                <minVersion>27.0</minVersion>
+                <maxVersion>*</maxVersion>
             </r:Description>
         </targetApplication>
 
@@ -28,8 +28,8 @@
         <targetApplication>
             <r:Description>
                 <id>{{92650c4d-4b8e-4d2a-b7eb-24ecf4f6b63a}}</id>
-                <minVersion>2.21</minVersion>
-                <maxVersion>2.39.*</maxVersion>
+                <minVersion>2.24</minVersion>
+                <maxVersion>*</maxVersion>
             </r:Description>
         </targetApplication>
 
@@ -37,8 +37,8 @@
         <targetApplication>
             <r:Description>
                 <id>{{8de7fcbb-c55c-4fbe-bfc5-fc555c87dbc4}}</id>
-                <minVersion>25.0</minVersion>
-                <maxVersion>26.*</maxVersion>
+                <minVersion>26.0</minVersion>
+                <maxVersion>27.*</maxVersion>
             </r:Description>
         </targetApplication>
     </r:Description>