upd example

Author: iyegoroff

TextGradientExample/package.json

@@ -8,7 +8,7 @@
   },
   "dependencies": {
     "react": "16.3.1",
-    "react-native": "0.55.4",
+    "react-native": "0.56.0",
     "react-native-text-gradient": "0.0.10"
   },
   "devDependencies": {