diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index bc9faee..8458b74 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -2,7 +2,25 @@ on: push
 name: CI
 
 jobs:
-  phpunit-php82:
+  pest-php81:
+    name: PHP 8.1
+    runs-on: ubuntu-latest
+    container:
+      image: kirschbaumdevelopment/laravel-test-runner:8.1
+
+    steps:
+      - uses: actions/checkout@v1
+        with:
+          fetch-depth: 1
+
+      - name: Install composer dependencies
+        run: |
+          composer install --prefer-dist --no-interaction --no-scripts
+
+      - name: Run Testsuite
+        run: composer pest
+
+  pest-php82:
       name: PHP 8.2
       runs-on: ubuntu-latest
       container:
@@ -20,7 +38,7 @@ jobs:
         - name: Run Testsuite
           run: composer pest
 
-  phpunit-php83:
+  pest-php83:
     name: PHP 8.3
     runs-on: ubuntu-latest
     container:
diff --git a/composer.json b/composer.json
index c89efea..0dcd52e 100644
--- a/composer.json
+++ b/composer.json
@@ -17,14 +17,14 @@
         }
     ],
     "require": {
-        "php": "^8.2",
-        "illuminate/mail": "^11.0"
+        "php": "^8.1|^8.2",
+        "illuminate/mail": "^10.0|^11.0"
     },
     "require-dev": {
         "laravel/pint": "^1.18",
-        "orchestra/testbench": "^9.0",
-        "pestphp/pest": "^3.4",
-        "phpunit/phpunit": "^11.0",
+        "orchestra/testbench": "^8.0|^9.0",
+        "pestphp/pest": "^2.36|^3.4",
+        "phpunit/phpunit": "^10.1|^11.0",
         "spatie/ray": "^1.41.1"
     },
     "autoload": {