diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 8a84c6750..1b28f1337 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -12,7 +12,7 @@ on:
     types: [completed]
 
 env:
-  php-version: '8.0'
+  php-version: '8.1'
   node-version: 16
 
 jobs:
diff --git a/.github/workflows/cypress.yml b/.github/workflows/cypress.yml
index dab6cac1c..893f58652 100644
--- a/.github/workflows/cypress.yml
+++ b/.github/workflows/cypress.yml
@@ -17,7 +17,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php-version: [7.4]
+        php-version: ['8.1']
         browser: [chrome]
         containers: [1, 2, 3, 4, 5, 6, 7, 8]
 
diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index b6258a876..17e9713d9 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -14,7 +14,7 @@ on:
   workflow_dispatch:
 
 env:
-  php-version: '8.0'
+  php-version: '8.1'
   node-version: 16
 
 jobs:
diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index a07de3374..b56b35e3a 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -6,7 +6,7 @@ on:
       - main
 
 env:
-  php-version: '8.0'
+  php-version: '8.1'
   node-version: 16
 
 jobs:
diff --git a/.github/workflows/migration_tests.yml b/.github/workflows/migration_tests.yml
index 0d1af794e..65efa9686 100644
--- a/.github/workflows/migration_tests.yml
+++ b/.github/workflows/migration_tests.yml
@@ -22,7 +22,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php-version: [7.4]
+        php-version: ['8.1']
         connection: [mysql]
 
     steps:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 89d27fdd8..062a55bc8 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -13,7 +13,7 @@ on:
   workflow_dispatch:
 
 env:
-  php-version: '8.0'
+  php-version: '8.1'
   build-node-version: 16
   semantic-node-version: 16
 
diff --git a/.github/workflows/static.yml b/.github/workflows/static.yml
index 4615b0ab9..d6c00cf4f 100644
--- a/.github/workflows/static.yml
+++ b/.github/workflows/static.yml
@@ -9,7 +9,7 @@ on:
     types: [completed]
 
 env:
-  php-version: '8.0'
+  php-version: '8.1'
 
 
 jobs:
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 282cbfac0..38d0c8c5f 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -14,7 +14,7 @@ on:
     types: [completed]
 
 env:
-  default-php-version: '7.4'
+  default-php-version: '8.0'
   node-version: 16
 
 
@@ -29,9 +29,12 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php-version: [7.4, '8.0']
+        php-version: ['8.0', '8.1']
         connection: [mysql]
         testsuite: [Api, Feature, Unit-Models, Unit-Services]
+        # exclude:
+        #   - php-version: '8.1'
+        #     testsuite: Feature
 
     steps:
       - name: Checkout sources
@@ -147,7 +150,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php-version: [7.4, '8.0']
+        php-version: ['8.0']
         connection: [mysql]
 
     steps:
diff --git a/.platform.app.yaml b/.platform.app.yaml
index 04d6e44a3..8ae5fd267 100644
--- a/.platform.app.yaml
+++ b/.platform.app.yaml
@@ -5,7 +5,7 @@
 name: app
 
 # The type of the application to build.
-type: php:7.4
+type: php:8.1
 build:
   flavor: none
 
diff --git a/README.md b/README.md
index 89758f045..184258186 100644
--- a/README.md
+++ b/README.md
@@ -130,7 +130,7 @@ There are multiple ways of getting started with Monica:
 
 If you want to host Monica yourself, you will need a server with:
 
-- PHP 7.4 or newer
+- PHP 8.0 or newer
 - HTTP server with PHP support (eg: Apache, Nginx, Caddy)
 - Composer
 - MySQL
diff --git a/composer.json b/composer.json
index 044aa87a2..2d3144272 100644
--- a/composer.json
+++ b/composer.json
@@ -9,7 +9,7 @@
     ],
     "license": "AGPL",
     "require": {
-        "php": "^7.4 || ^8.0",
+        "php": "^8.0",
         "ext-bcmath": "*",
         "ext-gd": "*",
         "ext-gmp": "*",
diff --git a/composer.lock b/composer.lock
index ac43bfa8d..aea6a727a 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": "dbb8a40531e1c39b654747f9c0d61cce",
+    "content-hash": "b88fbc2e98a7d7a184b1657722746575",
     "packages": [
         {
             "name": "asbiin/laravel-adorable",
@@ -19222,7 +19222,7 @@
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": {
-        "php": "^7.4 || ^8.0",
+        "php": "^8.0",
         "ext-bcmath": "*",
         "ext-gd": "*",
         "ext-gmp": "*",
diff --git a/docs/contribute/readme.md b/docs/contribute/readme.md
index a9f4abdaa..c06d2e28f 100644
--- a/docs/contribute/readme.md
+++ b/docs/contribute/readme.md
@@ -95,7 +95,7 @@ You'll need to run the installation instructions below and setup a local mysql i
 **Prerequisites**:
 * Git
 * [Node](https://nodejs.org/en/)
-* PHP 7.4+
+* PHP 8.0+
 * [Composer](https://getcomposer.org/)
 * GNU Make
 
diff --git a/docs/installation/providers/cpanel.md b/docs/installation/providers/cpanel.md
index c86f7b3dc..32dce7d24 100644
--- a/docs/installation/providers/cpanel.md
+++ b/docs/installation/providers/cpanel.md
@@ -14,14 +14,14 @@
 Monica can be configured in shared hosting environments with a little differences that we can remedy easily. In this scenario, Monica depends on the following:
 
 -   A shared cPanel Server
--   PHP 7.4+
+-   PHP 8.0+
 -   [Composer](https://getcomposer.org/)
 -   [MySQL](https://www.mysql.com/)
 -   SSH Access for an accont on the cPanel server
 
 **Git:** Git should come pre-installed with your server. If it doesn't - use the installation instructions in the link.
 
-**PHP:** Install php7.4 minimum. Generally cPanel will have a PHP 7 version installed, verify under the 'PHP Version' section from the cPanel section. Make sure these extensions are enabled:
+**PHP:** Install php8.0 minimum. Generally cPanel will have a PHP 7 version installed, verify under the 'PHP Version' section from the cPanel section. Make sure these extensions are enabled:
 
 -   bcmath
 -   curl
diff --git a/docs/installation/providers/debian.md b/docs/installation/providers/debian.md
index f566bab06..75358459b 100644
--- a/docs/installation/providers/debian.md
+++ b/docs/installation/providers/debian.md
@@ -19,7 +19,7 @@ Monica depends on the following:
 
 -   A Web server, like [Apache httpd webserver](https://httpd.apache.org/)
 -   [Git](https://git-scm.com/book/en/v2/Getting-Started-Installing-Git)
--   PHP 7.4+
+-   PHP 8.0+
 -   [Composer](https://getcomposer.org/)
 -   [Node.js](https://nodejs.org)
 -   [Yarn](https://yarnpkg.com)
@@ -42,32 +42,50 @@ sudo apt install -y git
 
 **PHP:**
 
-If you are using Debian 10 or lower, PHP 7.4 is not available from the Debian project directly.  Instead use the [deb.sury.org](https://deb.sury.org/) package repository from Ondřej Surý, maintainer of the mainline Debian packages.
+If you are using Debian 10 or lower, PHP 8.0 is not available from the Debian project directly.  Instead use the [deb.sury.org](https://deb.sury.org/) package repository from Ondřej Surý, maintainer of the mainline Debian packages.
 
 ```sh
-sudo wget -q https://packages.sury.org/php/apt.gpg -O /etc/apt/trusted.gpg.d/php-sury.gpg
+sudo apt install -y curl software-properties-common
+curl -sSL https://packages.sury.org/php/apt.gpg | sudo tee /etc/apt/trusted.gpg.d/php-sury.gpg
 echo "deb https://packages.sury.org/php/ $(lsb_release -sc) main" | sudo tee /etc/apt/sources.list.d/php-sury.list
 sudo apt update
 ```
 
+Install PHP 8.0 or 8.1 with these extensions:
 
-Install PHP 7.4 with these extensions:
+-   bcmath
+-   curl
+-   dom
+-   gd
+-   gmp
+-   iconv
+-   intl
+-   json
+-   mbstring
+-   mysqli
+-   opcache
+-   pdo_mysql
+-   redis
+-   sodium
+-   xml
+-   zip
 
+Run:
 ```sh
-sudo apt install -y php7.4 php7.4-bcmath php7.4-curl php7.4-gd php7.4-gmp \
-    php7.4-intl php7.4-mbstring php7.4-mysql php7.4-redis php7.4-xml php7.4-zip
+sudo apt install -y php8.1 php8.1-bcmath php8.1-curl php8.1-gd php8.1-gmp \
+    php8.1-intl php8.1-mbstring php8.1-mysql php8.1-redis php8.1-xml php8.1-zip
 ```
 
 **Composer:** After you're done installing PHP, you'll need the Composer dependency manager.
 
 ```sh
-wget -q -O - https://getcomposer.org/installer | sudo php -- --install-dir=/usr/local/bin/ --filename=composer
+curl -sSL https://getcomposer.org/installer | sudo php -- --install-dir=/usr/local/bin/ --filename=composer
 ```
 
 **Node.js:** Install node.js with package manager.
 
 ```sh
-wget -q -O - https://deb.nodesource.com/setup_16.x | sudo bash -
+curl -sSL https://deb.nodesource.com/setup_16.x | sudo bash -
 sudo apt install -y nodejs
 ```
 
diff --git a/docs/installation/providers/generic.md b/docs/installation/providers/generic.md
index 39d20b4b8..170b843db 100644
--- a/docs/installation/providers/generic.md
+++ b/docs/installation/providers/generic.md
@@ -20,7 +20,7 @@
 If you don't want to use Docker, the best way to setup the project is to use the same configuration that [Homestead](https://laravel.com/docs/homestead) uses. Basically, Monica depends on the following:
 
 -   [Git](https://git-scm.com/book/en/v2/Getting-Started-Installing-Git)
--   PHP 7.4+
+-   PHP 8.0+
 -   [Composer](https://getcomposer.org/)
 -   [Node.js](https://nodejs.org)
 -   [Yarn](https://yarnpkg.com)
@@ -29,7 +29,7 @@ If you don't want to use Docker, the best way to setup the project is to use the
 
 **Git:** Git should come pre-installed with your server. If it doesn't - use the installation instructions in the link.
 
-**PHP:** Install php7.4 minimum, with these extensions:
+**PHP:** Install php8.0 minimum, with these extensions:
 
 -   bcmath
 -   curl
diff --git a/docs/installation/providers/ubuntu.md b/docs/installation/providers/ubuntu.md
index 0becc8bbb..9e21b355f 100644
--- a/docs/installation/providers/ubuntu.md
+++ b/docs/installation/providers/ubuntu.md
@@ -20,7 +20,7 @@ Monica depends on the following:
 
 -   [Apache httpd webserver](https://httpd.apache.org/)
 -   [Git](https://git-scm.com/book/en/v2/Getting-Started-Installing-Git)
--   PHP 7.4+
+-   PHP 8.0+
 -   [Composer](https://getcomposer.org/)
 -   [Node.js](https://nodejs.org)
 -   [Yarn](https://yarnpkg.com)
@@ -42,22 +42,22 @@ sudo apt update
 sudo apt install -y apache2
 ```
 
-**PHP 7.4+:**
+**PHP 8.0+:**
 
 First add this PPA repository:
 
 ```sh
-sudo apt-get install -y software-properties-common
+sudo apt install -y software-properties-common
 sudo add-apt-repository ppa:ondrej/php
 ```
 
-Then install php 7.4 with these extensions:
+Then install php 8.0 or 8.1 with these extensions:
 
 ```sh
 sudo apt update
-sudo apt install -y php7.4 php7.4-bcmath php7.4-cli php7.4-curl php7.4-common \
-    php7.4-fpm php7.4-gd php7.4-gmp php7.4-intl php7.4-json php7.4-mbstring \
-    php7.4-mysql php7.4-opcache php7.4-redis php7.4-xml php7.4-zip
+sudo apt install -y php8.1 php8.1-bcmath php8.1-cli php8.1-curl php8.1-common \
+    php8.1-fpm php8.1-gd php8.1-gmp php8.1-intl php8.1-json php8.1-mbstring \
+    php8.1-mysql php8.1-opcache php8.1-redis php8.1-xml php8.1-zip
 ```
 
 **Composer:** After you're done installing PHP, you'll need the [Composer](https://getcomposer.org/download/) dependency manager.
@@ -233,10 +233,10 @@ Then, in the `nano` text editor window you just opened, copy the following - swa
 sudo a2dissite 000-default.conf
 sudo a2ensite monica.conf
 
-# Enable php7.4 fpm, and restart apache
+# Enable php8.1 fpm, and restart apache
 sudo a2enmod proxy_fcgi setenvif
-sudo a2enconf php7.4-fpm
-sudo service php7.4-fpm restart
+sudo a2enconf php8.1-fpm
+sudo service php8.1-fpm restart
 sudo service apache2 restart
 ```
 
diff --git a/docs/installation/readme.md b/docs/installation/readme.md
index 36fea6765..e40f00d63 100644
--- a/docs/installation/readme.md
+++ b/docs/installation/readme.md
@@ -14,7 +14,7 @@ Monica can be installed on a variety of platforms. The choice of the platform is
 If you don't want to use [Docker](/docs/installation/providers/docker.md), the best way to setup the project is to use the same configuration that [Homestead](https://laravel.com/docs/homestead) uses. Basically, Monica depends on the following:
 
 * [Git](https://git-scm.com/book/en/v2/Getting-Started-Installing-Git)
-* PHP 7.4+
+* PHP 8.0+
 * [Composer](https://getcomposer.org/)
 * [MySQL](https://www.mysql.com/)
 * Optional: Redis or Beanstalk
diff --git a/template-definition.yaml b/template-definition.yaml
index 93246c89d..3b4e86eb7 100644
--- a/template-definition.yaml
+++ b/template-definition.yaml
@@ -41,7 +41,7 @@ info:
     # These are the name/version of the Platforms.h containers, not including the Nginx router.
     notes:
         - heading: "Apps & Services"
-          content: "PHP 7.4<br/>MariaDB 10.4<br/>Redis 5.0"
+          content: "PHP 8.1<br/>MariaDB 10.4<br/>Redis 5.0"
 
 
 # This key describes the initialization call made to the main environment at