diff --git a/.travis.yml b/.travis.yml
index b74a4c3..0264ca9 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -30,6 +30,8 @@ env:
   - LARAVEL_VERSION=6.* DB_DRIVER=pgsql DB_PORT=5432 DB_USERNAME=travis DB_NAME=travis
   - LARAVEL_VERSION=7.*
   - LARAVEL_VERSION=7.* DB_DRIVER=pgsql DB_PORT=5432 DB_USERNAME=travis DB_NAME=travis
+  - LARAVEL_VERSION=8.*
+  - LARAVEL_VERSION=8.* DB_DRIVER=pgsql DB_PORT=5432 DB_USERNAME=travis DB_NAME=travis
 
 matrix:
   exclude:
@@ -89,6 +91,18 @@ matrix:
       env: LARAVEL_VERSION=5.4.* DB_DRIVER=pgsql DB_PORT=5432 DB_USERNAME=travis DB_NAME=travis
     - php: 7.4
       env: LARAVEL_VERSION=5.4.* DB_DRIVER=pgsql DB_PORT=5432 DB_USERNAME=travis DB_NAME=travis
+    - php: 7.0
+      env: LARAVEL_VERSION=8.*
+    - php: 7.1
+      env: LARAVEL_VERSION=8.*
+    - php: 7.2
+      env: LARAVEL_VERSION=8.*
+    - php: 7.0
+      env: LARAVEL_VERSION=8.* DB_DRIVER=pgsql DB_PORT=5432 DB_USERNAME=travis DB_NAME=travis
+    - php: 7.1
+      env: LARAVEL_VERSION=8.* DB_DRIVER=pgsql DB_PORT=5432 DB_USERNAME=travis DB_NAME=travis
+    - php: 7.2
+      env: LARAVEL_VERSION=8.* DB_DRIVER=pgsql DB_PORT=5432 DB_USERNAME=travis DB_NAME=travis
 
 # ensure that the specific Laravel version is required
 before_install:
diff --git a/composer.json b/composer.json
index acf31d1..0478b52 100644
--- a/composer.json
+++ b/composer.json
@@ -15,8 +15,8 @@
         "php": ">=7.0"
     },
     "require-dev": {
-        "phpunit/phpunit": "^6.0|^7.0|^8.0",
-        "orchestra/testbench": "^3.4|^4.0|^5.0"
+        "phpunit/phpunit": "^6.0|^7.0|^8.0|^9.0",
+        "orchestra/testbench": "^3.4|^4.0|^5.0|^6.0"
     },
     "autoload": {
         "psr-4": {