diff --git a/.travis.yml b/.travis.yml
index 9cbd12d..d22290e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,6 +3,7 @@ language: php
 php:
   - 7.2
   - 7.3
+  - 8.0
   - nightly
 
 cache:
@@ -12,7 +13,7 @@ cache:
 script:
   - >
     SYMFONY_DEPRECATIONS_HELPER="max[self]=0"
-    SYMFONY_PHPUNIT_VERSION=8.5.2
+    SYMFONY_PHPUNIT_VERSION=8.5.13
     vendor/bin/simple-phpunit
 
 install:
diff --git a/composer.json b/composer.json
index 400d88b..c922632 100644
--- a/composer.json
+++ b/composer.json
@@ -21,7 +21,7 @@
         }
     ],
     "require": {
-        "php": "^7.1",
+        "php": "^7.1 || ^8.0",
         "doctrine/inflector": "^1.4 || ^2.0"
     },
     "conflict": {