diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 05af8aa..5bd2548 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,7 +11,7 @@ jobs:
     strategy:
       matrix:
         operating-system: [ubuntu-latest]
-        php-versions: ['7.3', '7.4', '8.0', '8.1', '8.2', '8.3', '8.4']
+        php-versions: ['7.4', '8.0', '8.1', '8.2', '8.3', '8.4', '8.5]
 
     runs-on: ${{ matrix.operating-system }}
 
diff --git a/README.md b/README.md
index cc8633d..35a44b2 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@ HTTP Status Codes and Exceptions
 
 ## Requirements
 
-- **php**: ^7.3 | ^8.0
+- **php**: ^7.4 || ^8.0
 
 ## Installing
 
diff --git a/composer.json b/composer.json
index 90c9337..759b0c0 100644
--- a/composer.json
+++ b/composer.json
@@ -10,7 +10,7 @@
 		}
 	],
 	"require": {
-		"php": "^7.3 | ^8.0"
+		"php": "^7.4 || ^8.0"
 	},
 	"autoload": {
 		"psr-4": {
@@ -18,11 +18,11 @@
 		}
 	},
 	"require-dev": {
-		"corpus/coding-standard": "^0.6.0",
-		"friendsofphp/php-cs-fixer": "^3.4",
-		"phpstan/phpstan": "^1.12",
+		"corpus/coding-standard": "^0.10.0",
+		"friendsofphp/php-cs-fixer": "^3.87",
+		"phpstan/phpstan": "^2.1",
 		"phpunit/phpunit": "^9.6",
-		"squizlabs/php_codesniffer": "^3.5"
+		"squizlabs/php_codesniffer": "^4.0"
 	},
 	"config": {
 		"allow-plugins": {