diff --git a/package.json b/package.json
index 03094ac..5fd4ec4 100644
--- a/package.json
+++ b/package.json
@@ -65,7 +65,7 @@
     "@babel/preset-env": "^7.4.1",
     "@babel/register": "^7.4.0",
     "babel-eslint": "^10.0.1",
-    "babel-plugin-istanbul": "^5.1.1",
+    "babel-plugin-istanbul": "^5.1.3",
     "chai": "^4.2.0",
     "coveralls": "^3.0.3",
     "eslint": "^5.15.3",