diff --git a/package.json b/package.json
index bf0f0cf..58038a2 100644
--- a/package.json
+++ b/package.json
@@ -25,7 +25,7 @@
     "@motorcycle/tslint": "^1.3.0",
     "@northbrook/mocha": "^3.1.1",
     "northbrook": "^4.6.3",
-    "tslint": "^4.4.2",
+    "tslint": "^5.0.0",
     "typescript": "^2.1.5"
   }
 }