diff --git a/web3.js/package-lock.json b/web3.js/package-lock.json
index 06bbaaec65..0c1b98efd6 100644
--- a/web3.js/package-lock.json
+++ b/web3.js/package-lock.json
@@ -10176,9 +10176,9 @@
       "dev": true
     },
     "flow-bin": {
-      "version": "0.120.1",
-      "resolved": "https://registry.npmjs.org/flow-bin/-/flow-bin-0.120.1.tgz",
-      "integrity": "sha512-KgE+d+rKzdXzhweYVJty1QIOOZTTbtnXZf+4SLnmArLvmdfeLreQOZpeLbtq5h79m7HhDzX/HkUkoyu/fmSC2A==",
+      "version": "0.121.0",
+      "resolved": "https://registry.npmjs.org/flow-bin/-/flow-bin-0.121.0.tgz",
+      "integrity": "sha512-QYRMs+AoMLj/OTaSo9+8c3kzM/u8YgvfrInp0qzhtzC02Sc2jb3BV/QZWZGjPo+XK3twyyqXrcI3s8MuL1UQRg==",
       "dev": true
     },
     "flow-typed": {
diff --git a/web3.js/package.json b/web3.js/package.json
index 966221aecd..a49d4222ac 100644
--- a/web3.js/package.json
+++ b/web3.js/package.json
@@ -113,7 +113,7 @@
     "eslint-plugin-import": "2.20.1",
     "eslint-plugin-jest": "22.19.0",
     "eslint-plugin-prettier": "^3.0.0",
-    "flow-bin": "0.120.1",
+    "flow-bin": "0.121.0",
     "flow-typed": "3.0.0",
     "fs-file-tree": "1.1.0",
     "jest": "25.1.0",