diff --git a/package.json b/package.json
old mode 100755
new mode 100644
index 075631b..fe0f8d0
--- a/package.json
+++ b/package.json
@@ -34,7 +34,7 @@
     "eslint-config-google": "^0.9.1",
     "eslint-plugin-flowtype": "^2.46.1",
     "eslint-plugin-import": "^2.9.0",
-    "flow-bin": "^0.66.0",
+    "flow-bin": "^0.69.0",
     "mocha": "^5.0.1",
     "webpack": "^4.0.1",
     "webpack-cli": "^2.0.10"