diff --git a/package.json b/package.json
index 79d0232..9c88159 100644
--- a/package.json
+++ b/package.json
@@ -23,8 +23,7 @@
     "react-component"
   ],
   "dependencies": {
-    "flexboxgrid2": "^7.2.0",
-    "prop-types": "^15.5.8"
+    "flexboxgrid2": "^7.2.0"
   },
   "devDependencies": {
     "@types/react": "*",
@@ -57,6 +56,7 @@
     "node-sass": "^3.4.2",
     "phantomjs-prebuilt": "^2.1.14",
     "postcss-loader": "^0.7.0",
+    "prop-types": "^15.7.2",
     "react": "^15.5.4",
     "react-addons-test-utils": "^15.5.1",
     "react-dom": "^15.5.4",