diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index cefff8d..d273d49 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -8,11 +8,11 @@ jobs:
 
     strategy:
       matrix:
-        php: [8.0, 8.1, 8.2]
+        php: [8.1, 8.2, 8.3, 8.4]
 
     steps:
     - name: Checkout code
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     - name: Setup PHP
       uses: shivammathur/setup-php@v2
diff --git a/composer.json b/composer.json
index 7f24489..5370628 100644
--- a/composer.json
+++ b/composer.json
@@ -22,7 +22,7 @@
     ],
     "homepage": "https://codeception.com/",
     "require": {
-        "php": "^8.0",
+        "php": "^8.1",
         "codeception/codeception": "*@dev",
         "codeception/lib-asserts": "^2.0"
     },
diff --git a/readme.md b/readme.md
index 6abd2f9..0a4ab33 100644
--- a/readme.md
+++ b/readme.md
@@ -9,7 +9,7 @@ A Codeception module containing various assertions.
 
 ## Requirements
 
-* `PHP 8.0` or higher.
+* `PHP 8.1` or higher.
 
 ## Installation
 
diff --git a/tests/unit.suite.yml b/tests/unit.suite.yml
index 5399cf4..1c448f5 100644
--- a/tests/unit.suite.yml
+++ b/tests/unit.suite.yml
@@ -1,5 +1,5 @@
 # Codeception Test Suite Configuration
 
 # suite for unit (internal) tests.
-error_level: "E_ALL | E_STRICT"
+error_level: "E_ALL"
 class_name: UnitTester