diff --git a/.gitignore b/.gitignore
index d769eb5..49a3a32 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 vendor
 .phpunit.result.cache
+.phplint-cache
 composer.lock
diff --git a/bitbucket-pipelines.yml b/bitbucket-pipelines.yml
index f9c1977..9c35fc2 100644
--- a/bitbucket-pipelines.yml
+++ b/bitbucket-pipelines.yml
@@ -3,7 +3,7 @@
 # This template allows you to validate your PHP application.
 # The workflow allows running tests and code linting on the default branch.
 
-image: composer:2.0
+image: composer:2.1
 
 
 pipelines:
@@ -12,14 +12,14 @@ pipelines:
         - step:
             name: Test
             script:
-              - composer install
-              -  ./vendor/bin/phpunit test/phpUnitTests
+              - composer require phpunit/phpunit
+              - ./vendor/bin/phpunit ./test/phpUnitTests
             caches:
               - composer
         - step:
             name: Lint
             script:
-              - composer install
-              - ./vendor/bin/phplint . --exclude=vendor
+              - composer require overtrue/phplint
+              - ./vendor/bin/phplint ./ --exclude=vendor
             caches:
-              - composer
\ No newline at end of file
+              - composer
diff --git a/composer.json b/composer.json
index 89378f8..dd661e3 100644
--- a/composer.json
+++ b/composer.json
@@ -25,6 +25,9 @@
         "exclude": ["/test/", "/test/*", "/phpstan.neon", "/psalm.xml", "/.phan/", "/.vscode/", "/phpunit.xml"]
     },
     "require-dev": {
-        "phpunit/phpunit": "^9"
+        "phpunit/phpunit": "^9",
+        "overtrue/phplint": "8.1.x-dev",
+        "phpstan/phpstan": "1.10.x-dev",
+        "phan/phan": "v5.x-dev"
     }
 }