diff --git a/package.json b/package.json
index 470961ce..0c7000f7 100644
--- a/package.json
+++ b/package.json
@@ -38,7 +38,7 @@
     "@openzeppelin/upgrades": "2.8.0",
     "bignumber.js": "9.0.1",
     "ethereum-waffle": "2.5.1",
-    "ethereumjs-util": "7.0.6",
+    "ethereumjs-util": "7.1.5",
     "hardlydifficult-eth": "1.1.3",
     "hardlydifficult-ethereum-contracts": "0.11.1",
     "papaparse": "5.3.0",