diff --git a/web3.js/package-lock.json b/web3.js/package-lock.json
index 1a916a0e66..7d361319b3 100644
--- a/web3.js/package-lock.json
+++ b/web3.js/package-lock.json
@@ -19165,13 +19165,14 @@
       }
     },
     "rollup-plugin-terser": {
-      "version": "5.0.0",
-      "resolved": "https://registry.npmjs.org/rollup-plugin-terser/-/rollup-plugin-terser-5.0.0.tgz",
-      "integrity": "sha512-W+jJ4opYnlmNyVW0vtRufs+EGf68BIJ7bnOazgz8mgz8pA9lUyrEifAhPs5y9M16wFeAyBGaRjKip4dnFBtXaw==",
+      "version": "5.1.0",
+      "resolved": "https://registry.npmjs.org/rollup-plugin-terser/-/rollup-plugin-terser-5.1.0.tgz",
+      "integrity": "sha512-tvJweguo+f9T1SBcSmEMaArCUM07mIg61ArqPj3Fty9OdwTLCxBUBdxS3e1cU68Z1lXf52JBhbt3yRuQoHLtQg==",
       "dev": true,
       "requires": {
         "@babel/code-frame": "^7.0.0",
         "jest-worker": "^24.6.0",
+        "rollup-pluginutils": "^2.8.1",
         "serialize-javascript": "^1.7.0",
         "terser": "^4.0.0"
       }
@@ -20767,9 +20768,9 @@
       }
     },
     "terser": {
-      "version": "4.0.0",
-      "resolved": "https://registry.npmjs.org/terser/-/terser-4.0.0.tgz",
-      "integrity": "sha512-dOapGTU0hETFl1tCo4t56FN+2jffoKyER9qBGoUFyZ6y7WLoKT0bF+lAYi6B6YsILcGF3q1C2FBh8QcKSCgkgA==",
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/terser/-/terser-4.0.2.tgz",
+      "integrity": "sha512-IWLuJqTvx97KP3uTYkFVn93cXO+EtlzJu8TdJylq+H0VBDlPMIfQA9MBS5Vc5t3xTEUG1q0hIfHMpAP2R+gWTw==",
       "dev": true,
       "requires": {
         "commander": "^2.19.0",