diff --git a/composer.json b/composer.json
index 4fff195..67f9512 100644
--- a/composer.json
+++ b/composer.json
@@ -6,7 +6,8 @@
     "minimum-stability": "dev",
     "require": {
         "php": "^8.0",
-        "seacms/manager": "*"
+        "picocms/pico": "dev-fix-compatibility-php8 as v3.0.0-alpha.2",
+        "seacms/manager": "dev-master"
     },
     "config": {
         "optimize-autoloader": true,
@@ -38,6 +39,74 @@
         {
             "type": "vcs",
             "url": "https://git.defis.info/SeaCMS/seacms-manager"
+        },
+        {
+            "type": "package",
+            "package": {
+                "name": "picocms/pico",
+                "version": "dev-fix-compatibility-php8",
+                "source": {
+                    "url": "https://git.defis.info/SeaCMS/pico",
+                    "type": "git",
+                    "reference": "fix-compatibility-php8"
+                },
+                "type": "library",
+                "description": "Pico is a flat file CMS, this means there is no administration backend and database to deal with. You simply create .md files in the \"content\" folder and that becomes a page.",
+                "keywords": ["pico", "picocms", "pico-cms", "simple", "flat-file", "cms", "content-management", "website", "markdown-to-html", "php", "markdown", "yaml", "twig" ],
+                "homepage": "http://picocms.org/",
+                "license": "MIT",
+                "authors": [
+                    {
+                        "name": "Gilbert Pellegrom",
+                        "email": "gilbert@pellegrom.me",
+                        "role": "Project Founder"
+                    },
+                    {
+                        "name": "Daniel Rudolf",
+                        "email": "picocms.org@daniel-rudolf.de",
+                        "role": "Lead Developer"
+                    },
+                    {
+                        "name": "The Pico Community",
+                        "homepage": "http://picocms.org/"
+                    },
+                    {
+                        "name": "Contributors",
+                        "homepage": "https://github.com/picocms/Pico/graphs/contributors"
+                    }
+                ],
+                "support": {
+                    "docs": "http://picocms.org/docs",
+                    "issues": "https://github.com/picocms/Pico/issues",
+                    "source": "https://github.com/picocms/Pico"
+                },
+                "require": {
+                    "php": "^7.0.8 || ^8.0",
+                    "ext-mbstring": "*",
+                    "twig/twig": "^2.12",
+                    "symfony/yaml" : "^3.4",
+                    "erusev/parsedown": "1.7.4",
+                    "erusev/parsedown-extra": "0.8.1"
+                },
+                "suggest": {
+                    "picocms/pico-theme": "Pico requires a theme to actually display the contents of your website. This is Pico's official default theme.",
+                    "picocms/pico-deprecated": "PicoDeprecated's purpose is to maintain backward compatibility to older versions of Pico.",
+                    "picocms/composer-installer": "This Composer plugin is responsible for installing Pico plugins and themes using the Composer package manager."
+                },
+                "autoload": {
+                    "psr-0": {
+                        "Pico": "lib/",
+                        "PicoPluginInterface": "lib/",
+                        "AbstractPicoPlugin": "lib/"
+                    }
+                },
+                "extra": {
+                    "branch-alias": {
+                        "dev-master": "2.1.x-dev",
+                        "dev-pico-3.0": "3.0.x-dev"
+                    }
+                }
+            }
         }
     ]
 }
diff --git a/composer.lock b/composer.lock
index 9c8d959..e78b20e 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": "7eb2b90de8b7704986cf5d10b5f01470",
+    "content-hash": "dd56c9f1efa3163d0514f67f341b6e5b",
     "packages": [
         {
             "name": "erusev/parsedown",
@@ -178,23 +178,17 @@
         },
         {
             "name": "picocms/pico",
-            "version": "v3.0.0-alpha.2",
+            "version": "dev-fix-compatibility-php8",
             "source": {
                 "type": "git",
-                "url": "https://github.com/picocms/Pico.git",
-                "reference": "f7637ad335a97a639d69f9e7a1ef500762bad6f7"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/picocms/Pico/zipball/f7637ad335a97a639d69f9e7a1ef500762bad6f7",
-                "reference": "f7637ad335a97a639d69f9e7a1ef500762bad6f7",
-                "shasum": ""
+                "url": "https://git.defis.info/SeaCMS/pico",
+                "reference": "fix-compatibility-php8"
             },
             "require": {
                 "erusev/parsedown": "1.7.4",
                 "erusev/parsedown-extra": "0.8.1",
                 "ext-mbstring": "*",
-                "php": ">=7.0.8",
+                "php": "^7.0.8 || ^8.0",
                 "symfony/yaml": "^3.4",
                 "twig/twig": "^2.12"
             },
@@ -213,11 +207,10 @@
             "autoload": {
                 "psr-0": {
                     "Pico": "lib/",
-                    "AbstractPicoPlugin": "lib/",
-                    "PicoPluginInterface": "lib/"
+                    "PicoPluginInterface": "lib/",
+                    "AbstractPicoPlugin": "lib/"
                 }
             },
-            "notification-url": "https://packagist.org/downloads/",
             "license": [
                 "MIT"
             ],
@@ -244,7 +237,6 @@
             "description": "Pico is a flat file CMS, this means there is no administration backend and database to deal with. You simply create .md files in the \"content\" folder and that becomes a page.",
             "homepage": "http://picocms.org/",
             "keywords": [
-                "Simple",
                 "cms",
                 "content-management",
                 "flat-file",
@@ -254,6 +246,7 @@
                 "pico",
                 "pico-cms",
                 "picocms",
+                "simple",
                 "twig",
                 "website",
                 "yaml"
@@ -262,14 +255,7 @@
                 "docs": "http://picocms.org/docs",
                 "issues": "https://github.com/picocms/Pico/issues",
                 "source": "https://github.com/picocms/Pico"
-            },
-            "funding": [
-                {
-                    "url": "https://www.bountysource.com/teams/picocms",
-                    "type": "custom"
-                }
-            ],
-            "time": "2020-12-24T16:41:20+00:00"
+            }
         },
         {
             "name": "picocms/pico-theme",
@@ -337,7 +323,7 @@
             "source": {
                 "type": "git",
                 "url": "https://git.defis.info/SeaCMS/seacms-manager",
-                "reference": "bc1cb3ad68ddc2af2bf6b2ea138aaef58695f397"
+                "reference": "f7c89281a190be1ca75ff4e2158f2fce63bdb459"
             },
             "require": {
                 "composer": "^2.4",
@@ -348,7 +334,7 @@
                 "ext-pcre": "*",
                 "php": "^8.0",
                 "picocms/composer-installer": "dev-pico-3.0",
-                "picocms/pico": "^3.0.0-alpha.2",
+                "picocms/pico": "dev-fix-compatibility-php8 as v3.0.0-alpha.2",
                 "picocms/pico-theme": "^3.0"
             },
             "default-branch": true,
@@ -378,7 +364,7 @@
             "license": [
                 "EUPL-1.2"
             ],
-            "time": "2023-01-23T18:18:59+00:00"
+            "time": "2023-01-24T10:27:03+00:00"
         },
         {
             "name": "symfony/polyfill-ctype",
@@ -774,9 +760,19 @@
         }
     ],
     "packages-dev": [],
-    "aliases": [],
+    "aliases": [
+        {
+            "package": "picocms/pico",
+            "version": "dev-fix-compatibility-php8",
+            "alias": "v3.0.0-alpha.2",
+            "alias_normalized": "3.0.0.0-alpha2"
+        }
+    ],
     "minimum-stability": "dev",
-    "stability-flags": [],
+    "stability-flags": {
+        "picocms/pico": 20,
+        "seacms/manager": 20
+    },
     "prefer-stable": true,
     "prefer-lowest": false,
     "platform": {