diff --git a/install.rdf b/install.rdf
index 9389d628d2..1fb4bbf15d 100644
--- a/install.rdf
+++ b/install.rdf
@@ -24,7 +24,7 @@
     <em:targetApplication>
       <Description>
         <em:id>{ec8030f7-c20a-464f-9b0e-13a3a9e97384}</em:id>
-        <em:minVersion>5.0</em:minVersion>
+        <em:minVersion>17.0</em:minVersion>
         <em:maxVersion>20.*</em:maxVersion>
       </Description>
     </em:targetApplication>
diff --git a/update.rdf b/update.rdf
index 8cca8b8430..0cdbb6abbc 100644
--- a/update.rdf
+++ b/update.rdf
@@ -11,7 +11,7 @@
           <targetApplication>
             <RDF:Description>
               <id>{ec8030f7-c20a-464f-9b0e-13a3a9e97384}</id>
-              <minVersion>5.0</minVersion>
+              <minVersion>17.0</minVersion>
               <maxVersion>20.*</maxVersion>
               <updateLink>http://download.zotero.org/extension/zotero.xpi</updateLink>
               <updateHash>sha1:</updateHash>