diff --git a/appinfo/info.xml b/appinfo/info.xml
index fffab99..6f05fb7 100644
--- a/appinfo/info.xml
+++ b/appinfo/info.xml
@@ -46,6 +46,6 @@ See [README] for more exhaustive information on features and potential misfeatur
     <screenshot>https://github.com/e-alfred/epubreader/blob/master/screenshots/photo_2017-03-15_17-22-00.jpg?raw=true</screenshot>
     <screenshot>https://github.com/e-alfred/epubreader/blob/master/screenshots/photo_2017-03-15_17-22-02.jpg?raw=true</screenshot>
     <dependencies>
-        <nextcloud min-version="17" max-version="20"/>
+        <nextcloud min-version="17" max-version="21"/>
     </dependencies>
 </info>