diff --git a/package.json b/package.json
index 79ad5de..e37bc97 100644
--- a/package.json
+++ b/package.json
@@ -42,7 +42,7 @@
     "eslint-plugin-import": "^2.16.0",
     "mocha": "^6.0.2",
     "mocha-lcov-reporter": "^1.3.0",
-    "npm-check-updates": "^3.1.3",
+    "npm-check-updates": "3.1.3",
     "nyc": "^13.3.0"
   }
 }