diff --git a/appinfo/info.xml b/appinfo/info.xml
index 18fb58b90..cf0c3932e 100644
--- a/appinfo/info.xml
+++ b/appinfo/info.xml
@@ -20,7 +20,7 @@
 * ☑️ Tasks! See tasks with a due date directly in the calendar
 * 🙈 **We’re not reinventing the wheel!** Based on the great [c-dav library](https://github.com/nextcloud/cdav-library), [ical.js](https://github.com/mozilla-comm/ical.js) and [fullcalendar](https://github.com/fullcalendar/fullcalendar) libraries.
 	]]></description>
-	<version>4.8.0-alpha.1</version>
+	<version>5.0.0-alpha.1</version>
 	<licence>agpl</licence>
 	<author>Anna Larch</author>
 	<author homepage="https://github.com/nextcloud/groupware">Nextcloud Groupware Team</author>
@@ -39,8 +39,8 @@
 	<screenshot>https://raw.githubusercontent.com/nextcloud/calendar/main/screenshots/week_room_suggestion.png</screenshot>
 	<screenshot>https://raw.githubusercontent.com/nextcloud/calendar/main/screenshots/week_sidebar.png</screenshot>
 	<dependencies>
-		<php min-version="8.0" max-version="8.3" />
-		<nextcloud min-version="27" max-version="30" />
+		<php min-version="8.1" max-version="8.3" />
+		<nextcloud min-version="30" max-version="30" />
 		<backend>caldav</backend>
 	</dependencies>
 	<background-jobs>
diff --git a/composer.json b/composer.json
index 3960e11a6..c90d19ce1 100644
--- a/composer.json
+++ b/composer.json
@@ -1,7 +1,7 @@
 {
     "config": {
         "platform": {
-            "php": "8.0"
+            "php": "8.1"
         },
         "sort-packages": true,
         "optimize-autoloader": true,
@@ -16,7 +16,7 @@
         }
     },
     "require": {
-        "php": ">= 8.0 <=8.3",
+        "php": ">= 8.1 <=8.3",
         "bamarni/composer-bin-plugin": "^1.8.2"
     },
     "scripts": {
diff --git a/composer.lock b/composer.lock
index 073e2a065..a4acd8080 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "75489928459381c25b110fb39f97770c",
+    "content-hash": "492b5cfee734ba356e1be314ca01accb",
     "packages": [
         {
             "name": "bamarni/composer-bin-plugin",
@@ -71,11 +71,11 @@
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": {
-        "php": ">= 8.0 <=8.3"
+        "php": ">= 8.1 <=8.3"
     },
     "platform-dev": [],
     "platform-overrides": {
-        "php": "8.0"
+        "php": "8.1"
     },
     "plugin-api-version": "2.3.0"
 }