diff --git a/update.rdf b/update.rdf
index 1c3840c85..bba2df50c 100644
--- a/update.rdf
+++ b/update.rdf
@@ -11,7 +11,7 @@
           <targetApplication>
             <RDF:Description>
               <id>{ec8030f7-c20a-464f-9b0e-13a3a9e97384}</id>
-              <minVersion>31.0</minVersion>
+              <minVersion>38.0</minVersion>
               <maxVersion>45.*</maxVersion>
               <updateLink>http://download.zotero.org/extension/zotero.xpi</updateLink>
               <updateHash>sha1:</updateHash>