diff --git a/package.json b/package.json
index 819bab3..51129d7 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
         "request": "^2.82.0"
     },
     "devDependencies": {
-        "flow-bin": "^0.64.0",
+        "flow-bin": "^0.78.0",
         "eslint": "^4.6.1",
         "eslint-config-google": "^0.9.1",
         "eslint-plugin-import": "^2.8.0",