diff --git a/.travis.yml b/.travis.yml
index 5f1b4c5..9e776e2 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,47 +3,37 @@ language: php
 matrix:
   include:
     - php: '7.2'
-      env: LARAVEL='5.5.*' ORCHESTRA="3.5.*" COMPOSER_FLAGS='--prefer-stable'
+      env: LARAVEL='^6.0' ORCHESTRA="4.*.*" COMPOSER_FLAGS='--prefer-lowest' COMPOSER='composer-prel8.json'
     - php: '7.2'
-      env: LARAVEL='5.8.*' ORCHESTRA="3.8.*" COMPOSER_FLAGS='--prefer-lowest'
+      env: LARAVEL='^6.0' ORCHESTRA="4.*.*" COMPOSER_FLAGS='--prefer-stable' COMPOSER='composer-prel8.json'
     - php: '7.2'
-      env: LARAVEL='5.8.*' ORCHESTRA="3.8.*" COMPOSER_FLAGS='--prefer-stable'
+      env: LARAVEL='^7.0' ORCHESTRA="5.*.*" COMPOSER_FLAGS='--prefer-lowest' COMPOSER='composer-prel8.json'
     - php: '7.2'
-      env: LARAVEL='^6.0' ORCHESTRA="4.*.*" COMPOSER_FLAGS='--prefer-lowest'
-    - php: '7.2'
-      env: LARAVEL='^6.0' ORCHESTRA="4.*.*" COMPOSER_FLAGS='--prefer-stable'
-    - php: '7.2'
-      env: LARAVEL='^7.0' ORCHESTRA="5.*.*" COMPOSER_FLAGS='--prefer-lowest'
-    - php: '7.2'
-      env: LARAVEL='^7.0' ORCHESTRA="5.*.*" COMPOSER_FLAGS='--prefer-stable'
+      env: LARAVEL='^7.0' ORCHESTRA="5.*.*" COMPOSER_FLAGS='--prefer-stable' COMPOSER='composer-prel8.json'
     - php: '7.3'
-      env: LARAVEL='5.5.*' ORCHESTRA="3.5.*" COMPOSER_FLAGS='--prefer-stable'
+      env: LARAVEL='^6.0' ORCHESTRA="4.*.*" COMPOSER_FLAGS='--prefer-lowest' COMPOSER='composer-prel8.json'
     - php: '7.3'
-      env: LARAVEL='5.8.*' ORCHESTRA="3.8.*" COMPOSER_FLAGS='--prefer-lowest'
+      env: LARAVEL='^6.0' ORCHESTRA="4.*.*" COMPOSER_FLAGS='--prefer-stable' COMPOSER='composer-prel8.json'
     - php: '7.3'
-      env: LARAVEL='5.8.*' ORCHESTRA="3.8.*" COMPOSER_FLAGS='--prefer-stable'
+      env: LARAVEL='^7.0' ORCHESTRA="5.*.*" COMPOSER_FLAGS='--prefer-lowest' COMPOSER='composer-prel8.json'
     - php: '7.3'
-      env: LARAVEL='^6.0' ORCHESTRA="4.*.*" COMPOSER_FLAGS='--prefer-lowest'
+      env: LARAVEL='^7.0' ORCHESTRA="5.*.*" COMPOSER_FLAGS='--prefer-stable' COMPOSER='composer-prel8.json'
     - php: '7.3'
-      env: LARAVEL='^6.0' ORCHESTRA="4.*.*" COMPOSER_FLAGS='--prefer-stable'
+      env: LARAVEL='^8.0' ORCHESTRA="6.*.*" COMPOSER_FLAGS='--prefer-lowest'
     - php: '7.3'
-      env: LARAVEL='^7.0' ORCHESTRA="5.*.*" COMPOSER_FLAGS='--prefer-lowest'
-    - php: '7.3'
-      env: LARAVEL='^7.0' ORCHESTRA="5.*.*" COMPOSER_FLAGS='--prefer-stable'
-    - php: '7.4'
-      env: LARAVEL='5.5.*' ORCHESTRA="3.5.*" COMPOSER_FLAGS='--prefer-stable'
+      env: LARAVEL='^8.0' ORCHESTRA="6.*.*" COMPOSER_FLAGS='--prefer-stable'
     - php: '7.4'
-      env: LARAVEL='5.8.*' ORCHESTRA="3.8.*" COMPOSER_FLAGS='--prefer-lowest'
+      env: LARAVEL='^6.0' ORCHESTRA="4.*.*" COMPOSER_FLAGS='--prefer-lowest' COMPOSER='composer-prel8.json'
     - php: '7.4'
-      env: LARAVEL='5.8.*' ORCHESTRA="3.8.*" COMPOSER_FLAGS='--prefer-stable'
+      env: LARAVEL='^6.0' ORCHESTRA="4.*.*" COMPOSER_FLAGS='--prefer-stable' COMPOSER='composer-prel8.json'
     - php: '7.4'
-      env: LARAVEL='^6.0' ORCHESTRA="4.*.*" COMPOSER_FLAGS='--prefer-lowest'
+      env: LARAVEL='^7.0' ORCHESTRA="5.*.*" COMPOSER_FLAGS='--prefer-lowest' COMPOSER='composer-prel8.json'
     - php: '7.4'
-      env: LARAVEL='^6.0' ORCHESTRA="4.*.*" COMPOSER_FLAGS='--prefer-stable'
+      env: LARAVEL='^7.0' ORCHESTRA="5.*.*" COMPOSER_FLAGS='--prefer-stable' COMPOSER='composer-prel8.json'
     - php: '7.4'
-      env: LARAVEL='^7.0' ORCHESTRA="5.*.*" COMPOSER_FLAGS='--prefer-lowest'
+      env: LARAVEL='^8.0' ORCHESTRA="6.*.*" COMPOSER_FLAGS='--prefer-lowest'
     - php: '7.4'
-      env: LARAVEL='^7.0' ORCHESTRA="5.*.*" COMPOSER_FLAGS='--prefer-stable' RUN_PHPCS=1
+      env: LARAVEL='^8.0' ORCHESTRA="6.*.*" COMPOSER_FLAGS='--prefer-stable' RUN_PHPCS=1
 
 before_script:
   - travis_retry composer self-update
diff --git a/composer-prel8.json b/composer-prel8.json
new file mode 100644
index 0000000..02eb413
--- /dev/null
+++ b/composer-prel8.json
@@ -0,0 +1,54 @@
+{
+    "name": "cesargb/laravel-cascade-delete",
+    "description": "Cascading eliminations implemented in polymorphic relationships for the Laravel apps",
+    "keywords": [
+        "laravel",
+        "elocuent",
+        "cascade",
+        "delete",
+        "polymorphic",
+        "relation",
+        "residual"
+    ],
+    "type": "library",
+    "require": {
+        "php": "^7.1",
+        "illuminate/console": "^6.0|^7.0",
+        "illuminate/database": "^6.0|^7.0",
+        "illuminate/events": "^6.0|^7.0",
+        "illuminate/support": "^6.0|^7.0"
+    },
+    "require-dev": {
+        "phpunit/phpunit": "^6.0|^7.0|^8.0",
+        "orchestra/testbench": "^4.0|^5.0",
+        "friendsofphp/php-cs-fixer": "^2.14"
+    },
+    "autoload": {
+        "psr-4": {
+            "Cesargb\\Database\\Support\\": "src/"
+        }
+    },
+    "autoload-dev": {
+        "psr-4": {
+            "Tests\\": "tests/"
+        }
+    },
+    "scripts": {
+        "test": "vendor/bin/phpunit --colors=always --coverage-text"
+    },
+    "license": "MIT",
+    "authors": [
+        {
+            "name": "Cesar Garcia",
+            "email": "cesargb@gmail.com"
+        }
+    ],
+    "minimum-stability": "stable",
+    "extra": {
+       "laravel": {
+           "providers": [
+               "Cesargb\\Database\\Support\\CascadeDeleteServiceProvider"
+           ]
+       }
+   }
+}
diff --git a/composer.json b/composer.json
index c33ebb7..f429e17 100644
--- a/composer.json
+++ b/composer.json
@@ -13,15 +13,16 @@
     "type": "library",
     "require": {
         "php": "^7.1",
-        "illuminate/console": "~5.5.45|~5.8|^6.0|^7.0",
-        "illuminate/database": "~5.5.45|~5.8|^6.0|^7.0",
-        "illuminate/events": "~5.5.45|~5.8|^6.0|^7.0",
-        "illuminate/support": "~5.5.45|~5.8|^6.0|^7.0"
+        "illuminate/console": "^6.0|^7.0|^8.0",
+        "illuminate/database": "^6.0|^7.0|^8.0",
+        "illuminate/events": "^6.0|^7.0|^8.0",
+        "illuminate/support": "^6.0|^7.0|^8.0"
     },
     "require-dev": {
-        "phpunit/phpunit": "^6.0|^7.0|^8.0",
-        "orchestra/testbench": "^3.5|^3.8|^4.0|^5.0",
-        "friendsofphp/php-cs-fixer": "^2.14"
+        "phpunit/phpunit": "^7.0|^8.0",
+        "orchestra/testbench": "^4.0|^5.0|^6.0",
+        "friendsofphp/php-cs-fixer": "^2.14",
+        "laravel/legacy-factories": "^1.0.4"
     },
     "autoload": {
         "psr-4": {