diff --git a/.github/ISSUE_TEMPLATE/BUG-REPORT.yml b/.github/ISSUE_TEMPLATE/BUG-REPORT.yml
index 8e7d9bb929e..5d3ab7c15ce 100644
--- a/.github/ISSUE_TEMPLATE/BUG-REPORT.yml
+++ b/.github/ISSUE_TEMPLATE/BUG-REPORT.yml
@@ -51,7 +51,7 @@ body:
     attributes:
       label: PHP version
       description: What PHP version are you using in your environment?
-      placeholder: ex. 8.0.20
+      placeholder: ex. 8.1.0
     validations:
       required: true
   - type: dropdown
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 229f9941d68..40a25bdd73b 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -28,7 +28,7 @@ jobs:
     - name: Setup PHP, with composer and extensions
       uses: shivammathur/setup-php@v2
       with:
-        php-version: 8.0
+        php-version: 8.1
         extensions: mbstring, xml, ctype, iconv, intl, pdo_sqlite, mysql, pdo_mysql
 
     - name: Get tag name
@@ -140,7 +140,7 @@ jobs:
     - name: Setup PHP, with composer and extensions
       uses: shivammathur/setup-php@v2
       with:
-        php-version: 8.0
+        php-version: 8.1
         extensions: mbstring, xml, ctype, iconv, intl, pdo_sqlite, mysql, pdo_mysql
 
     - name: Download full installation package from previous step
@@ -244,7 +244,7 @@ jobs:
     - name: Setup PHP, with composer and extensions
       uses: shivammathur/setup-php@v2
       with:
-        php-version: 8.0
+        php-version: 8.1
         extensions: mbstring, xml, ctype, iconv, intl, pdo_sqlite, mysql, pdo_mysql
 
     - name: Install dependencies
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 0eca447cfb7..90449ec8dcd 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -21,7 +21,7 @@ jobs:
 
     strategy:
       matrix:
-        php-versions: ['8.0', '8.1', '8.2', '8.3']
+        php-versions: ['8.1', '8.2', '8.3']
         db-types: ['mysql', 'mariadb']
 
     name: PHPUnit ${{ matrix.php-versions }} ${{ matrix.db-types }}
diff --git a/app/composer.json b/app/composer.json
index 8aab565d075..f54adce0168 100644
--- a/app/composer.json
+++ b/app/composer.json
@@ -18,7 +18,7 @@
     ]
   },
   "require": {
-    "php": "~8.0",
+    "php": "~8.1",
     "ext-zlib": "*",
     "ext-zip": "*",
     "ext-imap": "*",
diff --git a/app/release_metadata.json b/app/release_metadata.json
index 6b43f7d9172..7f635864e93 100644
--- a/app/release_metadata.json
+++ b/app/release_metadata.json
@@ -1,11 +1,11 @@
 {
   "version": "5.1.0",
   "stability": "stable",
-  "minimum_php_version": "8.0.2",
+  "minimum_php_version": "8.1.0",
   "maximum_php_version": "8.3.99",
   "minimum_mysql_version": "5.7.14",
   "minimum_mariadb_version": "10.2.7",
-  "show_php_version_warning_if_under": "8.0.2",
+  "show_php_version_warning_if_under": "8.1.0",
   "minimum_mautic_version": "4.4.10",
   "announcement_url": "https://github.com/mautic/mautic/releases/tag/5.1.0"
 }
diff --git a/composer.json b/composer.json
index 4ae2c7c157e..895426cdf9e 100644
--- a/composer.json
+++ b/composer.json
@@ -141,7 +141,7 @@
   },
   "config": {
     "platform": {
-      "php": "8.0.2"
+      "php": "8.1.0"
     },
     "bin-dir": "bin",
     "component-dir": "media/assets",