diff --git a/client/package.json b/client/package.json
index 9b894109..b7cd3ee3 100644
--- a/client/package.json
+++ b/client/package.json
@@ -56,7 +56,7 @@
     "babel-core": "^6.13.2",
     "babel-eslint": "^8.2.6",
     "babel-loader": "^7.1.2",
-    "babel-plugin-istanbul": "^3.1.2",
+    "babel-plugin-istanbul": "^4.1.6",
     "babel-plugin-transform-decorators-legacy": "^1.3.4",
     "babel-plugin-transform-react-constant-elements": "^6.9.1",
     "babel-plugin-transform-runtime": "^6.23.0",