diff --git a/package.json b/package.json
index 6fa47fe..c8fc79e 100644
--- a/package.json
+++ b/package.json
@@ -42,7 +42,7 @@
     "karma-jasmine-html-reporter": "^0.2.2",
     "protractor": "~5.1.2",
     "ts-node": "~4.1.0",
-    "tslint": "~5.9.1",
+    "tslint": "~5.20.0",
     "typescript": "~2.5.3"
   }
 }