diff --git a/web3.js/package-lock.json b/web3.js/package-lock.json
index 11b8ccca56..9a758c0e8c 100644
--- a/web3.js/package-lock.json
+++ b/web3.js/package-lock.json
@@ -18924,9 +18924,9 @@
       }
     },
     "rollup-plugin-terser": {
-      "version": "5.1.1",
-      "resolved": "https://registry.npmjs.org/rollup-plugin-terser/-/rollup-plugin-terser-5.1.1.tgz",
-      "integrity": "sha512-McIMCDEY8EU6Y839C09UopeRR56wXHGdvKKjlfiZG/GrP6wvZQ62u2ko/Xh1MNH2M9WDL+obAAHySljIZYCuPQ==",
+      "version": "5.1.2",
+      "resolved": "https://registry.npmjs.org/rollup-plugin-terser/-/rollup-plugin-terser-5.1.2.tgz",
+      "integrity": "sha512-sWKBCOS+vUkRtHtEiJPAf+WnBqk/C402fBD9AVHxSIXMqjsY7MnYWKYEUqGixtr0c8+1DjzUEPlNgOYQPVrS1g==",
       "dev": true,
       "requires": {
         "@babel/code-frame": "^7.0.0",
@@ -19738,9 +19738,9 @@
       "dev": true
     },
     "serialize-javascript": {
-      "version": "1.7.0",
-      "resolved": "https://registry.npmjs.org/serialize-javascript/-/serialize-javascript-1.7.0.tgz",
-      "integrity": "sha512-ke8UG8ulpFOxO8f8gRYabHQe/ZntKlcig2Mp+8+URDP1D8vJZ0KUt7LYo07q25Z/+JVSgpr/cui9PIp5H6/+nA==",
+      "version": "1.9.1",
+      "resolved": "https://registry.npmjs.org/serialize-javascript/-/serialize-javascript-1.9.1.tgz",
+      "integrity": "sha512-0Vb/54WJ6k5v8sSWN09S0ora+Hnr+cX40r9F170nT+mSkaxltoE/7R3OrIdBSUv1OoiobH1QoWQbCnAO+e8J1A==",
       "dev": true
     },
     "set-blocking": {
@@ -20545,9 +20545,9 @@
       }
     },
     "terser": {
-      "version": "4.1.2",
-      "resolved": "https://registry.npmjs.org/terser/-/terser-4.1.2.tgz",
-      "integrity": "sha512-jvNoEQSPXJdssFwqPSgWjsOrb+ELoE+ILpHPKXC83tIxOlh2U75F1KuB2luLD/3a6/7K3Vw5pDn+hvu0C4AzSw==",
+      "version": "4.3.8",
+      "resolved": "https://registry.npmjs.org/terser/-/terser-4.3.8.tgz",
+      "integrity": "sha512-otmIRlRVmLChAWsnSFNO0Bfk6YySuBp6G9qrHiJwlLDd4mxe2ta4sjI7TzIR+W1nBMjilzrMcPOz9pSusgx3hQ==",
       "dev": true,
       "requires": {
         "commander": "^2.20.0",
@@ -20556,9 +20556,9 @@
       },
       "dependencies": {
         "commander": {
-          "version": "2.20.0",
-          "resolved": "https://registry.npmjs.org/commander/-/commander-2.20.0.tgz",
-          "integrity": "sha512-7j2y+40w61zy6YC2iRNpUe/NwhNyoXrYpHMrSunaMG64nRnaf96zO/KMQR4OyN/UnE5KLyEBnKHd4aG3rskjpQ==",
+          "version": "2.20.1",
+          "resolved": "https://registry.npmjs.org/commander/-/commander-2.20.1.tgz",
+          "integrity": "sha512-cCuLsMhJeWQ/ZpsFTbE765kvVfoeSddc4nU3up4fV+fDBcfUXnbITJ+JzhkdjzOqhURjZgujxaioam4RM9yGUg==",
           "dev": true
         },
         "source-map": {
@@ -20566,16 +20566,6 @@
           "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
           "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
           "dev": true
-        },
-        "source-map-support": {
-          "version": "0.5.12",
-          "resolved": "https://registry.npmjs.org/source-map-support/-/source-map-support-0.5.12.tgz",
-          "integrity": "sha512-4h2Pbvyy15EE02G+JOZpUCmqWJuqrs+sEkzewTm++BPi7Hvn/HwcqLAcNxYAyI0x13CpPPn+kMjl+hplXMHITQ==",
-          "dev": true,
-          "requires": {
-            "buffer-from": "^1.0.0",
-            "source-map": "^0.6.0"
-          }
         }
       }
     },