diff --git a/web3.js/package-lock.json b/web3.js/package-lock.json
index 6c32f358ba..dbc8ebae4a 100644
--- a/web3.js/package-lock.json
+++ b/web3.js/package-lock.json
@@ -4232,9 +4232,9 @@
       }
     },
     "node_modules/async": {
-      "version": "2.6.3",
-      "resolved": "https://registry.npmjs.org/async/-/async-2.6.3.tgz",
-      "integrity": "sha512-zflvls11DCy+dQWzTW2dzuilv8Z5X/pjfmZOWba6TNIVDm+2UDaJmXSOXlasHKfNBs8oo3M0aT50fDEWfKZjXg==",
+      "version": "2.6.4",
+      "resolved": "https://registry.npmjs.org/async/-/async-2.6.4.tgz",
+      "integrity": "sha512-mzo5dfJYwAn29PeiJ0zvwTo04zj8HDJj0Mn8TD7sno7q12prdbnasKJHhkm2c1LgrhlJ0teaea8860oxi51mGA==",
       "dev": true,
       "dependencies": {
         "lodash": "^4.17.14"
@@ -20386,9 +20386,9 @@
       "dev": true
     },
     "async": {
-      "version": "2.6.3",
-      "resolved": "https://registry.npmjs.org/async/-/async-2.6.3.tgz",
-      "integrity": "sha512-zflvls11DCy+dQWzTW2dzuilv8Z5X/pjfmZOWba6TNIVDm+2UDaJmXSOXlasHKfNBs8oo3M0aT50fDEWfKZjXg==",
+      "version": "2.6.4",
+      "resolved": "https://registry.npmjs.org/async/-/async-2.6.4.tgz",
+      "integrity": "sha512-mzo5dfJYwAn29PeiJ0zvwTo04zj8HDJj0Mn8TD7sno7q12prdbnasKJHhkm2c1LgrhlJ0teaea8860oxi51mGA==",
       "dev": true,
       "requires": {
         "lodash": "^4.17.14"
diff --git a/web3.js/yarn.lock b/web3.js/yarn.lock
index f73c318ec8..ce83bf97ae 100644
--- a/web3.js/yarn.lock
+++ b/web3.js/yarn.lock
@@ -2076,8 +2076,8 @@ astral-regex@^2.0.0:
   resolved "https://registry.npmjs.org/astral-regex/-/astral-regex-2.0.0.tgz"
 
 async@^2.6.2:
-  version "2.6.3"
-  resolved "https://registry.npmjs.org/async/-/async-2.6.3.tgz"
+  version "2.6.4"
+  resolved "https://registry.yarnpkg.com/async/-/async-2.6.4.tgz#706b7ff6084664cd7eae713f6f965433b5504221"
   dependencies:
     lodash "^4.17.14"