diff --git a/.travis.yml b/.travis.yml
index 12a2442..09bd492 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -25,3 +25,11 @@ jobs:
         - composer dump-autoload
         - composer ci:tests
         - composer ci:php:psalm
+
+    - stage: "PHP8.0 - highest"
+      php: 8.0
+      script:
+        - composer update -n --prefer-dist --no-suggest
+        - composer dump-autoload
+        - composer ci:tests
+        - composer ci:php:psalm
diff --git a/composer.json b/composer.json
index 9bed73c..0f2258a 100644
--- a/composer.json
+++ b/composer.json
@@ -24,7 +24,7 @@
         }
     ],
     "require": {
-        "php": "^7.2",
+        "php": "^7.2|^8.0",
         "ext-json": "*",
         "ext-pcntl": "*",
         "yosymfony/resource-watcher": "^2.0",