diff --git a/Dockerfile b/Dockerfile
index a16b4af..1846f98 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,3 +1,3 @@
-FROM nextcloud:14.0.3-apache
+FROM nextcloud:15.0.0-rc-apache
 
 COPY . /usr/src/nextcloud/apps/ocsms
diff --git a/appinfo/info.xml b/appinfo/info.xml
index 21599ea..57f27f3 100644
--- a/appinfo/info.xml
+++ b/appinfo/info.xml
@@ -12,7 +12,7 @@
     <category>tools</category>
     <dependencies>
         <php min-version="5.6" min-int-size="32"/>
-        <nextcloud min-version="14.0" max-version="14.0" />
+        <nextcloud min-version="14.0" max-version="15.0" />
     </dependencies>
 
     <ocsid>167289</ocsid>