diff --git a/package.json b/package.json
index bc49d911..38f59f1f 100644
--- a/package.json
+++ b/package.json
@@ -55,7 +55,7 @@
     "color": "3.1.0",
     "coveralls": "3.0.2",
     "jest": "23.6.0",
-    "np": "3.1.0",
+    "np": "4.0.0",
     "ts-jest": "23.10.5",
     "tslint": "5.12.1",
     "typescript": "3.2.2",