diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6c20fb3..3b74f7f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -9,7 +9,7 @@ jobs:
     strategy:
       max-parallel: 10
       matrix:
-        php: [ '8.0', '8.1', '8.2', '8.3' ]
+        php: [ '8.1', '8.2', '8.3' ]
 
     steps:
       - name: Set up PHP
diff --git a/.github/workflows/static-analysis.yml b/.github/workflows/static-analysis.yml
index 7ea7003..7c32de1 100644
--- a/.github/workflows/static-analysis.yml
+++ b/.github/workflows/static-analysis.yml
@@ -14,7 +14,7 @@ jobs:
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
         with:
-          php-version: '8.0'
+          php-version: '8.1'
           coverage: none
 
       - name: Download dependencies
@@ -37,7 +37,7 @@ jobs:
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
         with:
-          php-version: '8.0'
+          php-version: '8.1'
           coverage: none
 
       - name: Download dependencies
@@ -60,7 +60,7 @@ jobs:
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
         with:
-          php-version: '8.0'
+          php-version: '8.1'
           coverage: none
 
       - name: Download dependencies
diff --git a/README.md b/README.md
index 9ea4a77..c9169b4 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@ Inspiration comes from [herloct/codeception-slim-module](https://github.com/herl
 ## Install
 
 ### Minimal requirements
-- php: `^8.0`
+- php: `^8.1`
 - slim/slim: `^4.7`
 - codeception/codeception: `^5.0`
 
diff --git a/composer.json b/composer.json
index 621f3b2..6c3d1fb 100644
--- a/composer.json
+++ b/composer.json
@@ -9,7 +9,7 @@
     "type": "library",
     "license": "MIT",
     "require": {
-        "php": "^8.0",
+        "php": "^8.1",
         "codeception/codeception": "^5.0",
         "codeception/lib-innerbrowser": "^4.0",
         "slim/psr7": "^1.3",
diff --git a/vendor-bin/php-cs-fixer/composer.json b/vendor-bin/php-cs-fixer/composer.json
index 170d56c..c21cfb4 100644
--- a/vendor-bin/php-cs-fixer/composer.json
+++ b/vendor-bin/php-cs-fixer/composer.json
@@ -1,6 +1,6 @@
 {
     "require-dev": {
-        "php": "^8.0",
+        "php": "^8.1",
         "friendsofphp/php-cs-fixer": "^3.15"
     },
     "config": {
diff --git a/vendor-bin/phpstan/composer.json b/vendor-bin/phpstan/composer.json
index d179bdf..154cc09 100644
--- a/vendor-bin/phpstan/composer.json
+++ b/vendor-bin/phpstan/composer.json
@@ -1,6 +1,6 @@
 {
     "require-dev": {
-        "php": "^8.0",
+        "php": "^8.1",
         "phpstan/phpstan": "^1.10",
         "phpstan/phpstan-deprecation-rules": "^1.1"
     },
diff --git a/vendor-bin/psalm/composer.json b/vendor-bin/psalm/composer.json
index 4b6e52b..3ae765f 100644
--- a/vendor-bin/psalm/composer.json
+++ b/vendor-bin/psalm/composer.json
@@ -1,6 +1,6 @@
 {
     "require-dev": {
-        "php": "^8.0",
+        "php": "^8.1",
         "psalm/phar": "^5.8"
     },
     "config": {