diff --git a/package.json b/package.json
index cf091b0..1268571 100644
--- a/package.json
+++ b/package.json
@@ -59,7 +59,7 @@
     "chai": "^4.0.2",
     "chai-string": "^1.3.0",
     "eslint": "^4.1.0",
-    "eslint-plugin-flowtype": "^2.29.2",
+    "eslint-plugin-flowtype": "^2.42.0",
     "flow-bin": "^0.61.0",
     "mocha": "^5.0.0",
     "nyc": "^11.0.1",