diff --git a/composer.json b/composer.json
index bdc69a6..ad60d7e 100644
--- a/composer.json
+++ b/composer.json
@@ -31,7 +31,7 @@
   "minimum-stability": "dev",
   "prefer-stable":     true,
   "require":     {
-    "dreamfactory/df-core": "~1.0.4"
+    "dreamfactory/df-core": "~1.0.15"
   },
   "require-dev": {
     "phpunit/phpunit": "@stable"