diff --git a/appinfo/info.xml b/appinfo/info.xml
index 464e8d9b..58e8d7b5 100644
--- a/appinfo/info.xml
+++ b/appinfo/info.xml
@@ -17,7 +17,7 @@
 	<screenshot>https://raw.githubusercontent.com/nextcloud/integration_slack/main/img/screenshot1.png</screenshot>
 	<screenshot>https://raw.githubusercontent.com/nextcloud/integration_slack/main/img/screenshot2.png</screenshot>
 	<dependencies>
-		<nextcloud min-version="28" max-version="32"/>
+		<nextcloud min-version="30" max-version="32"/>
 	</dependencies>
 	<settings>
 		<admin>OCA\Slack\Settings\Admin</admin>
diff --git a/composer.json b/composer.json
index ff1b5cb8..e202b4d7 100644
--- a/composer.json
+++ b/composer.json
@@ -7,7 +7,7 @@
 		}
 	],
 	"require": {
-		"php": "^8.0 || ^8.1 || ^8.2 || ^8.3 || ^8.4",
+		"php": "^8.1 || ^8.2 || ^8.3 || ^8.4",
 		"bamarni/composer-bin-plugin": "^1.8"
 	},
 	"scripts": {
@@ -20,17 +20,15 @@
 		"psalm:update-baseline:force": "psalm --threads=1 --update-baseline --set-baseline=tests/psalm-baseline.xml",
 		"test:unit": "phpunit -c tests/phpunit.xml --no-coverage",
 		"post-install-cmd": [
-			"@composer bin all install --ansi",
 			"composer dump-autoload"
 		],
 		"post-update-cmd": [
-			"@composer bin all update --ansi",
 			"composer dump-autoload"
 		]
 	},
 	"config": {
 		"optimize-autoloader": true,
-		"classmap-authoritative": true,
+		"classmap-authoritative": false,
 		"allow-plugins": {
 			"bamarni/composer-bin-plugin": true
 		}
diff --git a/composer.lock b/composer.lock
index 407c8466..275cde41 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": "c13ede834ba467e38337e7c4f54d5b3e",
+    "content-hash": "f31789ae3d4997d60b845675849d2c16",
     "packages": [
         {
             "name": "bamarni/composer-bin-plugin",
@@ -324,7 +324,7 @@
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": {
-        "php": "^8.0 || ^8.1 || ^8.2 || ^8.3 || ^8.4"
+        "php": "^8.1 || ^8.2 || ^8.3 || ^8.4"
     },
     "platform-dev": {},
     "plugin-api-version": "2.6.0"
diff --git a/psalm.xml b/psalm.xml
index 0d1f819f..264bd029 100644
--- a/psalm.xml
+++ b/psalm.xml
@@ -5,7 +5,7 @@
 	findUnusedCode="false"
 	resolveFromConfigFile="true"
 	ensureOverrideAttribute="false"
-	phpVersion="8.0"
+	phpVersion="8.1"
 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 	xmlns="https://getpsalm.org/schema/config"
 	xsi:schemaLocation="https://getpsalm.org/schema/config vendor-bin/psalm/vendor/vimeo/psalm/config.xsd">
@@ -33,10 +33,5 @@
 				<referencedClass name="GuzzleHttp\Exception\ServerException" />
 			</errorLevel>
 		</UndefinedClass>
-		<DuplicateArrayKey>
-			<errorLevel type="suppress">
-				<file name="lib/Service/SlackAPIService.php" />
-			</errorLevel>
-		</DuplicateArrayKey>
 	</issueHandlers>
 </psalm>
diff --git a/vendor-bin/php-cs-fixer/composer.json b/vendor-bin/php-cs-fixer/composer.json
index beae10e6..c03cf676 100644
--- a/vendor-bin/php-cs-fixer/composer.json
+++ b/vendor-bin/php-cs-fixer/composer.json
@@ -1,6 +1,6 @@
 {
 	"require": {
-		"php": "^8.0 || ^8.1 || ^8.2 || ^8.3 || ^8.4"
+		"php": "^8.1 || ^8.2 || ^8.3 || ^8.4"
     },
     "require-dev": {
         "nextcloud/coding-standard": "^1.1"
diff --git a/vendor-bin/php-cs-fixer/composer.lock b/vendor-bin/php-cs-fixer/composer.lock
index 207c21f2..37316aaa 100644
--- a/vendor-bin/php-cs-fixer/composer.lock
+++ b/vendor-bin/php-cs-fixer/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": "a2ad733c8fb286e68d1bea7e63ca33ea",
+    "content-hash": "839e4c991d5c60018590df69ed6d0ba4",
     "packages": [],
     "packages-dev": [
         {
@@ -106,16 +106,16 @@
         },
         {
             "name": "php-cs-fixer/shim",
-            "version": "v3.82.0",
+            "version": "v3.82.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/PHP-CS-Fixer/shim.git",
-                "reference": "5235d634c362d789ba4c305042d17ff8c5ce0f07"
+                "reference": "daff83ac6980d852d9f41b0227b3b77b3320a542"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/PHP-CS-Fixer/shim/zipball/5235d634c362d789ba4c305042d17ff8c5ce0f07",
-                "reference": "5235d634c362d789ba4c305042d17ff8c5ce0f07",
+                "url": "https://api.github.com/repos/PHP-CS-Fixer/shim/zipball/daff83ac6980d852d9f41b0227b3b77b3320a542",
+                "reference": "daff83ac6980d852d9f41b0227b3b77b3320a542",
                 "shasum": ""
             },
             "require": {
@@ -152,9 +152,9 @@
             "description": "A tool to automatically fix PHP code style",
             "support": {
                 "issues": "https://github.com/PHP-CS-Fixer/shim/issues",
-                "source": "https://github.com/PHP-CS-Fixer/shim/tree/v3.82.0"
+                "source": "https://github.com/PHP-CS-Fixer/shim/tree/v3.82.1"
             },
-            "time": "2025-07-07T22:38:42+00:00"
+            "time": "2025-07-08T10:19:41+00:00"
         }
     ],
     "aliases": [],
@@ -163,7 +163,7 @@
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": {
-        "php": "^8.0 || ^8.1 || ^8.2 || ^8.3 || ^8.4"
+        "php": "^8.1 || ^8.2 || ^8.3 || ^8.4"
     },
     "platform-dev": {},
     "plugin-api-version": "2.6.0"
diff --git a/vendor-bin/phpunit/composer.json b/vendor-bin/phpunit/composer.json
index 84cb7d15..47e7dc7b 100644
--- a/vendor-bin/phpunit/composer.json
+++ b/vendor-bin/phpunit/composer.json
@@ -1,6 +1,6 @@
 {
 	"require": {
-		"php": "^8.0 || ^8.1 || ^8.2 || ^8.3 || ^8.4"
+		"php": "^8.1 || ^8.2 || ^8.3 || ^8.4"
     },
     "require-dev": {
         "phpunit/phpunit": "^10.5.45"
diff --git a/vendor-bin/phpunit/composer.lock b/vendor-bin/phpunit/composer.lock
index 3009d511..7c91cdf2 100644
--- a/vendor-bin/phpunit/composer.lock
+++ b/vendor-bin/phpunit/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": "d21105d43cefbc8488a05755fe4bc5a2",
+    "content-hash": "8e82d18cbfa5d9918199e7a449241b1b",
     "packages": [],
     "packages-dev": [
         {
@@ -1646,7 +1646,7 @@
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": {
-        "php": "^8.0 || ^8.1 || ^8.2 || ^8.3 || ^8.4"
+        "php": "^8.1 || ^8.2 || ^8.3 || ^8.4"
     },
     "platform-dev": {},
     "plugin-api-version": "2.6.0"
diff --git a/vendor-bin/psalm/composer.json b/vendor-bin/psalm/composer.json
index 01a78505..5ac43c71 100644
--- a/vendor-bin/psalm/composer.json
+++ b/vendor-bin/psalm/composer.json
@@ -1,6 +1,6 @@
 {
 	"require": {
-		"php": "^8.0 || ^8.1 || ^8.2 || ^8.3 || ^8.4"
+		"php": "^8.1 || ^8.2 || ^8.3 || ^8.4"
     },
     "require-dev": {
         "vimeo/psalm": "^6.10.0"
diff --git a/vendor-bin/psalm/composer.lock b/vendor-bin/psalm/composer.lock
index 49faa34a..072701e1 100644
--- a/vendor-bin/psalm/composer.lock
+++ b/vendor-bin/psalm/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": "fc9e6195dc88e76b9b476f1a9753f39d",
+    "content-hash": "cd9cb730385145e04b1ea70f67c0d9af",
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     "packages-dev": [
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@@ -3295,7 +3295,7 @@
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": {
-        "php": "^8.0 || ^8.1 || ^8.2 || ^8.3 || ^8.4"
+        "php": "^8.1 || ^8.2 || ^8.3 || ^8.4"
     },
     "platform-dev": {},
     "plugin-api-version": "2.6.0"