diff --git a/deploy/package-lock.json b/deploy/package-lock.json
index 220382ff7..4b7141091 100644
--- a/deploy/package-lock.json
+++ b/deploy/package-lock.json
@@ -3905,9 +3905,9 @@
       }
     },
     "querystring": {
-      "version": "0.2.0",
-      "resolved": "https://registry.npmjs.org/querystring/-/querystring-0.2.0.tgz",
-      "integrity": "sha1-sgmEkgO7Jd+CDadW50cAWHhSFiA="
+      "version": "0.2.1",
+      "resolved": "https://registry.npmjs.org/querystring/-/querystring-0.2.1.tgz",
+      "integrity": "sha512-wkvS7mL/JMugcup3/rMitHmd9ecIGd2lhFhK9N3UUQ450h66d1r3Y9nvXzQAW1Lq+wyx61k/1pfKS5KuKiyEbg=="
     },
     "randombytes": {
       "version": "2.1.0",
diff --git a/deploy/package.json b/deploy/package.json
index 35bae4c5d..afedcf4cd 100644
--- a/deploy/package.json
+++ b/deploy/package.json
@@ -18,7 +18,7 @@
     "ethereumjs-tx": "^1.3.4",
     "node-fetch": "^2.1.2",
     "promise-retry": "^1.1.1",
-    "querystring": "^0.2.0",
+    "querystring": "^0.2.1",
     "web3": "^1.2.9"
   },
   "devDependencies": {