diff --git a/composer.json b/composer.json
index 3e36085..cc52c78 100644
--- a/composer.json
+++ b/composer.json
@@ -8,11 +8,11 @@
         "colour"
     ],
     "require": {
-        "illuminate/contracts": "^5.5|^6.0|^7.0|^8.0|^9.0|^10.0"
+        "illuminate/contracts": "^5.5|^6.0|^7.0|^8.0|^9.0|^10.0|^11.0"
     },
     "require-dev": {
-        "orchestra/testbench": "^5.0|^7.0|^8.0",
-        "phpunit/phpunit": "^9.0"
+        "orchestra/testbench": "^5.0|^7.0|^8.0|^9.0",
+        "phpunit/phpunit": "^9.0|^10.5"
     },
     "license": "Apache-2.0",
     "authors": [