diff --git a/composer.json b/composer.json
index bd415a5..87c6b96 100644
--- a/composer.json
+++ b/composer.json
@@ -10,7 +10,7 @@
     ],
     "minimum-stability": "dev",
     "require": {
-        "statamic/cms": "dev-master"
+        "statamic/cms": "3.*|dev-master"
     },
     "autoload": {
         "psr-4": {