diff --git a/.travis.yml b/.travis.yml
index f403b92..fd1cc86 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,6 @@
 sudo: false
 language: php
 php:
-  - 7.2
   - 7.3
   - 7.4
 
@@ -20,10 +19,10 @@ addons:
 
 env:
   global:
-    - CORE_BRANCH=master
     - APP_NAME=registration
-  matrix:
+    - CORE_BRANCH=master
     - DB=sqlite
+  matrix:
 
 branches:
   only:
@@ -36,6 +35,8 @@ matrix:
       env: DB=mysql
     - php: 7.3
       env: DB=pgsql
+    - php: 7.2
+      env: CORE_BRANCH=stable20
   fast_finish: true
 
 before_install:
diff --git a/appinfo/info.xml b/appinfo/info.xml
index d6a4a57..6eacdd3 100644
--- a/appinfo/info.xml
+++ b/appinfo/info.xml
@@ -35,7 +35,7 @@ This app allows users to register a new account.
 	<screenshot>https://raw.githubusercontent.com/nextcloud/registration/master/docs/demo.gif</screenshot>
 	<screenshot>https://raw.githubusercontent.com/nextcloud/registration/master/docs/admin-settings.png</screenshot>
 	<dependencies>
-		<nextcloud min-version="20" max-version="20" />
+		<nextcloud min-version="20" max-version="21" />
 	</dependencies>
 	<settings>
 		<admin>OCA\Registration\Settings\RegistrationSettings</admin>