diff --git a/composer.json b/composer.json
index a4b4f88..4b46b7f 100644
--- a/composer.json
+++ b/composer.json
@@ -11,17 +11,17 @@
     ],
     "require": {
         "php": "^7.1.3",
-        "illuminate/contracts": "5.5.*|5.6.*|5.7.*",
-        "illuminate/support": "5.5.*|5.6.*|5.7.*",
-        "illuminate/view": "5.5.*|5.6.*|5.7.*",
+        "illuminate/contracts": "5.5.*|5.6.*|5.7.*|5.8.*",
+        "illuminate/support": "5.5.*|5.6.*|5.7.*|5.8.*",
+        "illuminate/view": "5.5.*|5.6.*|5.7.*|5.8.*",
         "league/commonmark": "^0.18"
     },
     "require-dev": {
         "graham-campbell/analyzer": "^2.1",
-        "graham-campbell/testbench": "^5.1",
+        "graham-campbell/testbench": "^5.2",
         "league/commonmark-extras": "^0.1.5",
         "mockery/mockery": "^1.0",
-        "phpunit/phpunit": "^6.5|^7.0"
+        "phpunit/phpunit": "^6.5|^7.0|^8.0"
     },
     "autoload": {
         "psr-4": {
@@ -38,7 +38,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "10.2-dev"
+            "dev-master": "10.3-dev"
         },
         "laravel": {
             "providers": [