diff --git a/.travis.yml b/.travis.yml
index f92d5e2c..3c70aab5 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,7 @@
 env:
-  - LARAVEL_VERSION="5.7.*" TESTBENCH_VERSION="~3.7"
-  - LARAVEL_VERSION="5.8.*" TESTBENCH_VERSION="~3.8"
+  - LARAVEL_VERSION="5.7.*" TESTBENCH_VERSION="~3.7" REDIS_DRIVER=phpredis
+  - LARAVEL_VERSION="5.8.*" TESTBENCH_VERSION="~3.8" REDIS_DRIVER=phpredis
+  - LARAVEL_VERSION="5.8.*" TESTBENCH_VERSION="~3.8" REDIS_DRIVER=predis
 
 language: php
 php:
@@ -11,7 +12,7 @@ services:
   - redis-server
 
 before_install:
-  - echo "extension = redis.so" >> ~/.phpenv/versions/$(phpenv version-name)/etc/php.ini
+  - if ["$REDIS_DRIVER" = "phpredis"]; then echo "extension = redis.so" >> ~/.phpenv/versions/$(phpenv version-name)/etc/php.ini; fi
 
 install:
   - composer require "laravel/framework:$LARAVEL_VERSION" "orchestra/testbench:$TESTBENCH_VERSION"
diff --git a/composer.json b/composer.json
index d439fb79..0d77a1de 100644
--- a/composer.json
+++ b/composer.json
@@ -11,15 +11,15 @@
     ],
     "require": {
         "illuminate/support": "5.7.*||5.8.*",
-        "webpatser/laravel-uuid": "^3.0"
+        "webpatser/laravel-uuid": "^3.0",
+        "predis/predis": "^1.1"
     },
     "require-dev": {
         "vlucas/phpdotenv": "^2.2||^3.3",
         "psy/psysh": "@stable",
         "laravel/framework": "5.7.*||5.8.*",
         "orchestra/testbench": "~3.7||~3.8",
-        "league/flysystem-aws-s3-v3": "~1.0",
-        "predis/predis": "^1.1"
+        "league/flysystem-aws-s3-v3": "~1.0"
     },
     "autoload": {
         "psr-4": {