diff --git a/.travis.yml b/.travis.yml
index 2640a1b..9f502cd 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -13,8 +13,6 @@ env:
         - LARAVEL=5.6.*
         - LARAVEL=5.7.*
         - LARAVEL=5.8.*
-        - LARAVEL=6.8.*
-        - LARAVEL=7.0.*
 
 matrix:
     include:
diff --git a/composer.json b/composer.json
index fee3469..8a67e60 100644
--- a/composer.json
+++ b/composer.json
@@ -27,7 +27,7 @@
         "infinitypaul/naira-exchange-rates": "^0.0.2"
     },
     "require-dev": {
-        "orchestra/testbench": "^3.5"
+        "orchestra/testbench": "~3.5|^4.0"
     },
     "autoload": {
         "psr-4": {