diff --git a/UPGRADE.md b/UPGRADE.md
index aa235473..e8390213 100644
--- a/UPGRADE.md
+++ b/UPGRADE.md
@@ -7,6 +7,7 @@
 * Swoole and Openswoole are no longer officially supported runtimes. The recommended alternative is RoadRunner.
 * Dist files for swoole/openswoole are no longer published.
 * Webhooks are no longer supported. Migrate to one of the other [real-time updates](https://shlink.io/documentation/advanced/real-time-updates/) mechanisms.
+* When using RoadRunner, the amount of web workers, task workers and the port number can no longer be provided via config options. Use `WEB_WORKER_NUM`, `TASK_WORKER_NUM` and `PORT` env vars instead.
 
 ### Changes in URL shortener
 
diff --git a/composer.json b/composer.json
index 76a98041..fdb6459f 100644
--- a/composer.json
+++ b/composer.json
@@ -46,7 +46,7 @@
         "shlinkio/shlink-config": "dev-main#a43b380 as 3.0",
         "shlinkio/shlink-event-dispatcher": "dev-main#aa9023c as 4.0",
         "shlinkio/shlink-importer": "dev-main#65a9a30 as 5.3",
-        "shlinkio/shlink-installer": "dev-develop#41e433c as 9.0",
+        "shlinkio/shlink-installer": "dev-develop#5943255 as 9.0",
         "shlinkio/shlink-ip-geolocation": "dev-main#a807668 as 3.5",
         "shlinkio/shlink-json": "^1.1",
         "spiral/roadrunner": "^2023.3",
diff --git a/config/autoload/installer.global.php b/config/autoload/installer.global.php
index 753bdb9a..b6a79679 100644
--- a/config/autoload/installer.global.php
+++ b/config/autoload/installer.global.php
@@ -28,8 +28,6 @@ return [
             Option\BasePathConfigOption::class,
             Option\TimezoneConfigOption::class,
             Option\Cache\CacheNamespaceConfigOption::class,
-            Option\Worker\TaskWorkerNumConfigOption::class,
-            Option\Worker\WebWorkerNumConfigOption::class,
             Option\Redis\RedisServersConfigOption::class,
             Option\Redis\RedisSentinelServiceConfigOption::class,
             Option\Redis\RedisPubSubConfigOption::class,
diff --git a/module/Core/src/Config/EnvVars.php b/module/Core/src/Config/EnvVars.php
index 0ea74451..e5df9532 100644
--- a/module/Core/src/Config/EnvVars.php
+++ b/module/Core/src/Config/EnvVars.php
@@ -56,9 +56,6 @@ enum EnvVars: string
     case BASE_PATH = 'BASE_PATH';
     case SHORT_URL_TRAILING_SLASH = 'SHORT_URL_TRAILING_SLASH';
     case SHORT_URL_MODE = 'SHORT_URL_MODE';
-    case PORT = 'PORT';
-    case TASK_WORKER_NUM = 'TASK_WORKER_NUM';
-    case WEB_WORKER_NUM = 'WEB_WORKER_NUM';
     case ANONYMIZE_REMOTE_ADDR = 'ANONYMIZE_REMOTE_ADDR';
     case TRACK_ORPHAN_VISITS = 'TRACK_ORPHAN_VISITS';
     case DISABLE_TRACK_PARAM = 'DISABLE_TRACK_PARAM';