diff --git a/composer.json b/composer.json
index e6f98cd..b0b915b 100644
--- a/composer.json
+++ b/composer.json
@@ -5,7 +5,7 @@
     "prefer-stable": true,
     "minimum-stability": "dev",
     "require": {
-        "php": "^8.0",
+        "php": "^7.2.5||^8.0",
         "ext-dom": "*",
         "ext-filter": "*",
         "ext-json": "*",
@@ -20,7 +20,7 @@
     "config": {
         "optimize-autoloader": true,
         "platform": {
-            "php": "8.0.0"
+            "php": "7.2.5"
         },
         "platform-check": true,
         "sort-packages": true,
diff --git a/composer.lock b/composer.lock
index b7d6057..20b799f 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": "458f87f6f405c7142436c0a12d01ea99",
+    "content-hash": "8c6acb90dd7429741534e63b22acbbf9",
     "packages": [
         {
             "name": "erusev/parsedown",
@@ -192,7 +192,7 @@
             "source": {
                 "type": "git",
                 "url": "https://git.defis.info/SeaCMS/pico",
-                "reference": "0187138622d9c8776be3324ed904abd6371c256f"
+                "reference": "4342526f6d60fe72c87f7c2fd02c0b9bf4513db5"
             },
             "require": {
                 "erusev/parsedown": "^2.0.0-beta-1",
@@ -266,7 +266,7 @@
                 "issues": "https://github.com/picocms/Pico/issues",
                 "source": "https://github.com/picocms/Pico"
             },
-            "time": "2023-03-10T23:35:40+00:00"
+            "time": "2023-03-21T07:53:30+00:00"
         },
         {
             "name": "seacms/composer-plugin",
@@ -274,23 +274,29 @@
             "source": {
                 "type": "git",
                 "url": "https://git.defis.info/SeaCMS/composer-plugin",
-                "reference": "3a1a8da8100369347fc69e4eb96a9b7c7b552fad"
+                "reference": "adc22cdee66306b9392435bf5407cf455b508608"
             },
             "require": {
                 "composer-plugin-api": "^2.3",
+                "picocms/pico": "*",
                 "topfloor/composer-cleanup-vcs-dirs": "^1.1"
             },
             "replace": {
                 "symfony/finder": "*"
             },
+            "require-dev": {
+                "phpunit/phpunit": "^8.5"
+            },
             "default-branch": true,
             "type": "composer-plugin",
             "extra": {
-                "class": "Seacms\\ComposerInstaller\\Plugin"
+                "class": "Seacms\\ComposerInstaller\\Plugin",
+                "plugin-modifies-downloads": true
             },
             "autoload": {
                 "psr-4": {
-                    "Seacms\\ComposerInstaller\\": "src"
+                    "Seacms\\ComposerInstaller\\": "src/installer/",
+                    "Seacms\\Command\\": "src/commands/"
                 }
             },
             "license": [
@@ -314,7 +320,7 @@
                 "issues": "https://git.defis.info/SeaCMS/composer-plugin/issues",
                 "source": "https://git.defis.info/SeaCMS/composer-plugin"
             },
-            "time": "2023-03-13T18:22:14+00:00"
+            "time": "2023-03-23T10:42:37+00:00"
         },
         {
             "name": "seacms/seacms-api",
@@ -322,10 +328,10 @@
             "source": {
                 "type": "git",
                 "url": "https://git.defis.info/SeaCMS/seacms-api",
-                "reference": "f5b81d351454f2b7fe4c09d462f7802241ca94d1"
+                "reference": "f3574dd6d68d1ef31fa3534c4d9b96aac4ef2bc1"
             },
             "require": {
-                "php": "^8.0"
+                "php": "^7.2.5||^8.0"
             },
             "default-branch": true,
             "type": "pico-plugin",
@@ -360,7 +366,7 @@
                 "issues": "https://git.defis.info/SeaCMS/seacms-api/issues",
                 "source": "https://git.defis.info/SeaCMS/seacms-api"
             },
-            "time": "2023-03-02T17:19:44+00:00"
+            "time": "2023-03-23T10:38:49+00:00"
         },
         {
             "name": "seacms/seacms-auth",
@@ -368,10 +374,10 @@
             "source": {
                 "type": "git",
                 "url": "https://git.defis.info/SeaCMS/seacms-auth",
-                "reference": "eef1cad3ccb4deda8f9fbccf01880e0040be3c97"
+                "reference": "1955005a69850591e5f95732f6ddfa00a88e77dc"
             },
             "require": {
-                "php": "^8.0",
+                "php": "^7.2.5||^8.0",
                 "seacms/seacms-api": "dev-master"
             },
             "default-branch": true,
@@ -404,7 +410,7 @@
                 "issues": "https://git.defis.info/SeaCMS/seacms-auth/issues",
                 "source": "https://git.defis.info/SeaCMS/seacms-auth"
             },
-            "time": "2023-03-11T17:16:33+00:00"
+            "time": "2023-03-23T10:39:38+00:00"
         },
         {
             "name": "symfony/polyfill-ctype",
@@ -861,7 +867,7 @@
     "prefer-stable": true,
     "prefer-lowest": false,
     "platform": {
-        "php": "^8.0",
+        "php": "^7.2.5||^8.0",
         "ext-dom": "*",
         "ext-filter": "*",
         "ext-json": "*",
@@ -870,7 +876,7 @@
     },
     "platform-dev": [],
     "platform-overrides": {
-        "php": "8.0.0"
+        "php": "7.2.5"
     },
     "plugin-api-version": "2.3.0"
 }