diff --git a/package.json b/package.json
index cd71ce0..b97a9ae 100644
--- a/package.json
+++ b/package.json
@@ -30,7 +30,7 @@
     "@babel/preset-env": "^7.0.0",
     "@babel/register": "^7.0.0",
     "babel-eslint": "^10.0.1",
-    "babel-plugin-istanbul": "^5.1.4",
+    "babel-plugin-istanbul": "^6.0.0",
     "chai": "^4.2.0",
     "coveralls": "^3.0.3",
     "eslint": "^5.16.0",