diff --git a/.nvmrc b/.nvmrc
index 19c7bdba..25bf17fc 100644
--- a/.nvmrc
+++ b/.nvmrc
@@ -1 +1 @@
-16
\ No newline at end of file
+18
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
index 2be4537c..aa9ce960 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4050,18 +4050,6 @@
       "integrity": "sha512-Ntyt4AIXyaLIuMHF6IOoTakB3K+RWxwtsHNRxllEoA6vPwP9o4866g6YWDLUdnucilZhmkxiHwHr11gAENw+QA==",
       "dev": true
     },
-    "node_modules/ethereumjs-util/node_modules/rlp": {
-      "version": "2.2.7",
-      "resolved": "https://registry.npmjs.org/rlp/-/rlp-2.2.7.tgz",
-      "integrity": "sha512-d5gdPmgQ0Z+AklL2NVXr/IoSjNZFfTVvQWzL/AM2AOcSzYP2xjlb0AC8YyCLc41MSNf6P6QVtjgPdmVtzb+4lQ==",
-      "dev": true,
-      "dependencies": {
-        "bn.js": "^5.2.0"
-      },
-      "bin": {
-        "rlp": "bin/rlp"
-      }
-    },
     "node_modules/ethereumjs-util/node_modules/secp256k1": {
       "version": "4.0.3",
       "resolved": "https://registry.npmjs.org/secp256k1/-/secp256k1-4.0.3.tgz",
@@ -6518,6 +6506,18 @@
         "inherits": "^2.0.1"
       }
     },
+    "node_modules/rlp": {
+      "version": "2.2.7",
+      "resolved": "https://registry.npmjs.org/rlp/-/rlp-2.2.7.tgz",
+      "integrity": "sha512-d5gdPmgQ0Z+AklL2NVXr/IoSjNZFfTVvQWzL/AM2AOcSzYP2xjlb0AC8YyCLc41MSNf6P6QVtjgPdmVtzb+4lQ==",
+      "dev": true,
+      "dependencies": {
+        "bn.js": "^5.2.0"
+      },
+      "bin": {
+        "rlp": "bin/rlp"
+      }
+    },
     "node_modules/rollup": {
       "version": "2.79.1",
       "resolved": "https://registry.npmjs.org/rollup/-/rollup-2.79.1.tgz",