diff --git a/.travis.yml b/.travis.yml
index 0ba9847..633a46e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -12,6 +12,8 @@ php:
   - 7.0
   - 7.1
   - 7.2
+  - 8.0
+  - 8.1
   - nightly
 
 env:
diff --git a/composer.json b/composer.json
index 26e7ab7..baea213 100644
--- a/composer.json
+++ b/composer.json
@@ -7,7 +7,7 @@
     ],
     "config": {
         "platform": {
-            "php": "7.2"
+            "php": "8.1"
         }
     },
     "homepage": "https://github.com/graze/console-diff-renderer",
@@ -26,7 +26,7 @@
         }
     ],
     "require": {
-        "php": "^5.6 | ^7.0",
+        "php": "^5.6 | ^7.0 | ^8.0",
         "symfony/console": "^2.8 | ^3.2 | ^4.0 | ^5.0"
     },
     "require-dev": {