diff --git a/.github/workflows/floccus.yml b/.github/workflows/floccus.yml
index 9a0abbbae3..f52eb78baf 100644
--- a/.github/workflows/floccus.yml
+++ b/.github/workflows/floccus.yml
@@ -87,7 +87,7 @@ jobs:
       matrix:
         node-version: [20.x]
         npm-version: [10.x]
-        server-version: ['27']
+        server-version: ['28']
         floccus-branch: ['master', 'develop']
         floccus-adapter:
           - nextcloud-bookmarks
diff --git a/.github/workflows/phpunit-mysql.yml b/.github/workflows/phpunit-mysql.yml
index dc21e7c298..fca82da50f 100644
--- a/.github/workflows/phpunit-mysql.yml
+++ b/.github/workflows/phpunit-mysql.yml
@@ -39,7 +39,7 @@ jobs:
     strategy:
       matrix:
         php-versions: ['8.1']
-        server-versions: ['master']
+        server-versions: ['stable28']
 
     services:
       mysql:
diff --git a/.github/workflows/phpunit-pgsql.yml b/.github/workflows/phpunit-pgsql.yml
index 476efd6bd1..e4189de70a 100644
--- a/.github/workflows/phpunit-pgsql.yml
+++ b/.github/workflows/phpunit-pgsql.yml
@@ -39,7 +39,7 @@ jobs:
     strategy:
       matrix:
         php-versions: ['8.1']
-        server-versions: ['master']
+        server-versions: ['stable28']
 
     services:
       postgres:
diff --git a/.github/workflows/phpunit-sqlite.yml b/.github/workflows/phpunit-sqlite.yml
index d8164e5cac..d63f4d83cb 100644
--- a/.github/workflows/phpunit-sqlite.yml
+++ b/.github/workflows/phpunit-sqlite.yml
@@ -38,17 +38,8 @@ jobs:
 
     strategy:
       matrix:
-        php-versions: ['8.1', '8.2']
-        server-versions: ['master', 'stable26', 'stable27', 'stable28']
-        include:
-          - php-versions: 8.0
-            server-versions: stable26
-          - php-versions: 8.0
-            server-versions: stable27
-          - php-versions: 8.3
-            server-versions: stable28
-          - php-versions: 8.3
-            server-versions: master
+        php-versions: ['8.0', '8.1', '8.2']
+        server-versions: ['stable28']
 
     steps:
       - name: Set app env
diff --git a/.github/workflows/psalm.yml b/.github/workflows/psalm.yml
index 817580853e..c48900e0a3 100644
--- a/.github/workflows/psalm.yml
+++ b/.github/workflows/psalm.yml
@@ -25,17 +25,9 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        php-versions: [ '8.1', '8.2' ]
-        server-versions: [ 'v26.x.x', 'v27.1.x', 'dev-stable28', 'dev-master' ]
-        include:
-          - php-versions: '8.0'
-            server-versions: 'v26.x.x'
-          - php-versions: '8.0'
-            server-versions: 'v27.1.x'
-          - php-versions: '8.3'
-            server-versions: 'dev-stable28'
-          - php-versions: '8.3'
-            server-versions: 'dev-master'
+        php-versions: [ '8.0', '8.1', '8.2' ]
+        server-versions: [ 'v28.x' ]
+
 
     name: Nextcloud ${{ matrix.server-versions }}
     steps:
diff --git a/.github/workflows/repair.yml b/.github/workflows/repair.yml
index b177ce7d80..26b98901e8 100644
--- a/.github/workflows/repair.yml
+++ b/.github/workflows/repair.yml
@@ -25,7 +25,7 @@ jobs:
       matrix:
         php-versions: ['8.1']
         databases: ['sqlite', 'mysql', 'pgsql']
-        server-versions: ['stable26']
+        server-versions: ['stable28']
 
     name: Repair step on ${{ matrix.databases }}-${{ matrix.server-versions }}
 
diff --git a/.github/workflows/upgrade.yml b/.github/workflows/upgrade.yml
index 9dd3c3376c..b896f902e9 100644
--- a/.github/workflows/upgrade.yml
+++ b/.github/workflows/upgrade.yml
@@ -25,8 +25,8 @@ jobs:
       matrix:
         php-versions: ['8.1']
         databases: ['sqlite', 'mysql', 'pgsql']
-        server-versions: ['stable26']
-        prev-version: ['stable12']
+        server-versions: ['stable28']
+        prev-version: ['stable13']
 
     name: Update from ${{ matrix.prev-version }} on ${{ matrix.databases }}-${{ matrix.server-versions }}
 
diff --git a/appinfo/info.xml b/appinfo/info.xml
index 57a81fb654..64f5a9773a 100644
--- a/appinfo/info.xml
+++ b/appinfo/info.xml
@@ -22,7 +22,7 @@ Requirements:
    - mbstring: *
  - when using MySQL, use at least v8.0
 ]]></description>
-	<version>13.1.3</version>
+	<version>14.0.0-alpha.1</version>
 	<licence>agpl</licence>
 	<author mail="mklehr@gmx.net">Marcel Klehr</author>
 	<author mail="blizzz@arthur-schiwon.de" homepage="https://www.arthur-schiwon.de">Arthur Schiwon</author>
@@ -41,7 +41,7 @@ Requirements:
 		<database>pgsql</database>
 		<lib>intl</lib>
 		<lib>mbstring</lib>
-		<nextcloud min-version="26" max-version="29" />
+		<nextcloud min-version="28" max-version="28" />
 	</dependencies>
 	<background-jobs>
 		<job>OCA\Bookmarks\BackgroundJobs\CrawlJob</job>