diff --git a/.github/workflows/composer-normalize.yml b/.github/workflows/composer-normalize.yml
new file mode 100644
index 0000000..560c42b
--- /dev/null
+++ b/.github/workflows/composer-normalize.yml
@@ -0,0 +1,22 @@
+name: normalize composer.json
+
+on:
+  push:
+    paths:
+      - 'composer.json'
+
+jobs:
+  normalize:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Git checkout
+        uses: actions/checkout@v2
+
+      - name: normalize composer.json
+        run: |
+          composer global require ergebnis/composer-normalize
+          composer normalize
+
+      - uses: stefanzweifel/git-auto-commit-action@v4.0.0
+        with:
+          commit_message: normalize composer.json
diff --git a/.github/workflows/run-tests.yml b/.github/workflows/run-tests.yml
index ed57201..777d838 100644
--- a/.github/workflows/run-tests.yml
+++ b/.github/workflows/run-tests.yml
@@ -10,8 +10,13 @@ jobs:
       matrix:
         os: [ubuntu-latest]
         php: [7.4]
-        laravel: [6.*]
+        laravel: [7.*, 6.*]
         dependency-version: [prefer-lowest, prefer-stable]
+        include:
+          - laravel: 7.*
+            testbench: 5.*
+          - laravel: 6.*
+            testbench: 4.*
 
     name: P${{ matrix.php }} - L${{ matrix.laravel }} - ${{ matrix.dependency-version }} - ${{ matrix.os }}
 
@@ -34,7 +39,7 @@ jobs:
 
       - name: Install dependencies
         run: |
-          composer require "laravel/framework:${{ matrix.laravel }}" --no-interaction --no-update
+          composer require "laravel/framework:${{ matrix.laravel }}" "orchestra/testbench:${{ matrix.testbench }}" --no-interaction --no-update
           composer update --${{ matrix.dependency-version }} --prefer-dist --no-interaction --no-suggest
 
       - name: phpunit
diff --git a/.gitignore b/.gitignore
index 2178feb..fbd55c0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 /vendor/
+/vendor-bin/**/vendor
 /composer.lock
 /phpunit.xml
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3883c8f..29a366c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 All notable changes to this package will be documented in this file.
 
+## v0.6.0
+
+* add Laravel 7 support
+
 ## v0.5.0
 
 * upgrade `astrotomic/laravel-guzzle` to v2.0.0
diff --git a/composer.json b/composer.json
index bfc149a..54eed94 100644
--- a/composer.json
+++ b/composer.json
@@ -19,16 +19,24 @@
   ],
   "require": {
     "php": "^7.4",
-    "astrotomic/laravel-guzzle": "^2.0",
-    "illuminate/cache": "^6.0",
-    "illuminate/support": "^6.0"
+    "astrotomic/laravel-guzzle": "^2.1",
+    "illuminate/cache": "^6.0 || ^7.0",
+    "illuminate/support": "^6.0 || ^7.0"
   },
   "require-dev": {
-    "codedungeon/phpunit-result-printer": "^0.26.2",
-    "elbgoods/ci-test-tools": "^1.5.1",
-    "nunomaduro/collision": "^3.0",
-    "orchestra/testbench": "^4.0",
-    "phpunit/phpunit": "^8.0"
+    "bamarni/composer-bin-plugin": "^1.3",
+    "orchestra/testbench": "^4.0 || ^5.0",
+    "phpunit/phpunit": "^8.0 || ^9.0"
+  },
+  "config": {
+    "sort-packages": true
+  },
+  "extra": {
+    "laravel": {
+      "providers": [
+        "Elbgoods\\TrashmailRule\\TrashmailRuleServiceProvider"
+      ]
+    }
   },
   "autoload": {
     "psr-4": {
@@ -40,14 +48,14 @@
       "Elbgoods\\TrashmailRule\\Tests\\": "tests"
     }
   },
-  "config": {
-    "sort-packages": true
-  },
-  "extra": {
-    "laravel": {
-      "providers": [
-        "Elbgoods\\TrashmailRule\\TrashmailRuleServiceProvider"
-      ]
-    }
+  "minimum-stability": "dev",
+  "prefer-stable": true,
+  "scripts": {
+    "post-install-cmd": [
+      "@composer bin all install --ansi"
+    ],
+    "post-update-cmd": [
+      "@composer bin all update --ansi"
+    ]
   }
 }
diff --git a/phpstan.neon.dist b/phpstan.neon.dist
index 97496f0..bd9094b 100644
--- a/phpstan.neon.dist
+++ b/phpstan.neon.dist
@@ -1,6 +1,6 @@
 includes:
-    - ./vendor/nunomaduro/larastan/extension.neon
-    - ./vendor/elbgoods/ci-test-tools/configs/phpstan.neon.dist
+    - ./vendor-bin/elbgoods/vendor/nunomaduro/larastan/extension.neon
+    - ./vendor-bin/elbgoods/vendor/elbgoods/ci-test-tools/configs/phpstan.neon.dist
 
 parameters:
     paths:
diff --git a/phpunit.xml.dist b/phpunit.xml.dist
index f4bb52d..6193f8e 100644
--- a/phpunit.xml.dist
+++ b/phpunit.xml.dist
@@ -10,7 +10,6 @@
          convertWarningsToExceptions="true"
          processIsolation="false"
          stopOnFailure="false"
-         printerClass="Codedungeon\PHPUnitPrettyResultPrinter\Printer"
     >
     <testsuites>
         <testsuite name="TestSuite">
@@ -22,9 +21,6 @@
             <directory suffix=".php">./src</directory>
         </whitelist>
     </filter>
-    <listeners>
-        <listener class="NunoMaduro\Collision\Adapters\Phpunit\Listener" />
-    </listeners>
     <php>
         <env name="CACHE_DRIVER" value="file"/>
     </php>
diff --git a/vendor-bin/elbgoods/composer.json b/vendor-bin/elbgoods/composer.json
new file mode 100644
index 0000000..f872671
--- /dev/null
+++ b/vendor-bin/elbgoods/composer.json
@@ -0,0 +1,5 @@
+{
+    "require-dev": {
+        "elbgoods/ci-test-tools": "^1.7"
+    }
+}