diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 270f0f5..0dc529d 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -6,7 +6,7 @@ on:
   pull_request:
   push:
     branches:
-      - "1.4.x"
+      - "2.0.x"
 
 jobs:
   lint:
diff --git a/composer.json b/composer.json
index 5b1ec50..5237f06 100644
--- a/composer.json
+++ b/composer.json
@@ -6,17 +6,16 @@
 		"MIT"
 	],
 	"require": {
-		"php": "^7.2 || ^8.0",
-		"phpstan/phpstan": "^1.12"
+		"php": "^7.4 || ^8.0",
+		"phpstan/phpstan": "^2.0"
 	},
 	"conflict": {
 		"phpunit/phpunit": "<7.0"
 	},
 	"require-dev": {
-		"nikic/php-parser": "^4.13.0",
 		"php-parallel-lint/php-parallel-lint": "^1.2",
-		"phpstan/phpstan-strict-rules": "^1.5.1",
-		"phpunit/phpunit": "^9.5"
+		"phpstan/phpstan-strict-rules": "^2.0",
+		"phpunit/phpunit": "^9.6"
 	},
 	"config": {
 		"platform": {