diff --git a/pentadactyl/install.rdf b/pentadactyl/install.rdf
index 3ef9b7c7..110a6a5b 100644
--- a/pentadactyl/install.rdf
+++ b/pentadactyl/install.rdf
@@ -31,7 +31,7 @@
         <em:targetApplication>
             <Description
                 em:id="{ec8030f7-c20a-464f-9b0e-13a3a9e97384}"
-                em:minVersion="3.6"
+                em:minVersion="4.0"
                 em:maxVersion="13.*"/>
         </em:targetApplication>
     </Description>