diff --git a/composer.json b/composer.json
index 82a9ebc..23f6b15 100644
--- a/composer.json
+++ b/composer.json
@@ -14,7 +14,7 @@
         "illuminate/console": "~5.1",
         "illuminate/contracts": "~5.1",
         "illuminate/support": "~5.1",
-        "psy/psysh": "0.7.*|0.8.*",
+        "psy/psysh": "0.7.*|0.8.*|0.9.*",
         "symfony/var-dumper": "~3.0|~4.0"
     },
     "require-dev": {