diff --git a/install.rdf b/install.rdf
index 53fd3021a..1ddc8831f 100644
--- a/install.rdf
+++ b/install.rdf
@@ -25,7 +25,7 @@
       <Description>
         <em:id>{ec8030f7-c20a-464f-9b0e-13a3a9e97384}</em:id>
         <em:minVersion>3.0</em:minVersion>
-        <em:maxVersion>3.1b4pre</em:maxVersion>
+        <em:maxVersion>3.5b4pre</em:maxVersion>
       </Description>
     </em:targetApplication>
     
diff --git a/update.rdf b/update.rdf
index 46e668f9d..a11b868ef 100644
--- a/update.rdf
+++ b/update.rdf
@@ -7,12 +7,12 @@
     <RDF:Seq>
       <RDF:li>
         <RDF:Description>
-          <version>1.5a1.SVN</version>
+          <version>1.5b1.SVN</version>
           <targetApplication>
             <RDF:Description>
               <id>{ec8030f7-c20a-464f-9b0e-13a3a9e97384}</id>
               <minVersion>3.0</minVersion>
-              <maxVersion>3.1b3pre</maxVersion>
+              <maxVersion>3.5b4pre</maxVersion>
               <updateLink>http://www.zotero.org/download/zotero.xpi</updateLink>
               <updateHash>sha1:</updateHash>
             </RDF:Description>