diff --git a/package.json b/package.json
index b152b7f..7b50fbf 100644
--- a/package.json
+++ b/package.json
@@ -43,7 +43,7 @@
     "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"
   }
 }
\ No newline at end of file