diff --git a/composer.json b/composer.json
index 9d7ccc0..67a473e 100644
--- a/composer.json
+++ b/composer.json
@@ -8,7 +8,7 @@
         }
     ],
     "require": {
-        "typicms/core": "dev-master"
+        "typicms/core": "~1.8.0"
     },
     "autoload": {
         "classmap": [