diff --git a/.travis.yml b/.travis.yml
index fa9fb28..e6513d4 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,6 +4,7 @@ php:
   - 7.2
   - 7.3
   - 7.4
+  - 8.0
 
 before_script:
   - composer self-update
diff --git a/composer.json b/composer.json
index ed39bf1..854fb96 100644
--- a/composer.json
+++ b/composer.json
@@ -20,6 +20,6 @@
         }
     },
     "require": {
-        "php": "^7.2"
+        "php": "^7.2 | ^8.0"
     }
 }