diff --git a/package.json b/package.json
index ebc37aa..13678f5 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,7 @@
   "devDependencies": {
     "@flow-atom/atom": "^1.8.0-rev.0",
     "eslint-config-steelbrain": "^1.0.4",
-    "flow-bin": "^0.30.0",
+    "flow-bin": "^0.40.0",
     "jasmine-fix": "^1.0.1"
   },
   "package-deps": [