diff --git a/package.json b/package.json
index 9f9ed69..1c4e603 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,8 @@
     "format": "prettier --write --no-semi --single-quote --trailing-comma all ./FastImage.js ./example/*.js ./server/*.js",
     "test": "yarn run test:pretty && yarn run test:jest",
     "test:jest": "jest *.js",
-    "test:pretty": "prettier-check --write --no-semi --single-quote --trailing-comma all ./FastImage.js ./example/*.js ./server/*.js"
+    "test:pretty": "prettier-check --write --no-semi --single-quote --trailing-comma all ./FastImage.js ./example/*.js ./server/*.js",
+    "postinstall": "git clone https://github.com/rs/SDWebImage.git ios/Vendor/SDWebImage && cd ios/Vendor/SDWebImage && git submodule update --init --recursive && cd ../../.."
   },
   "devDependencies": {
     "babel-jest": "^20.0.3",