diff --git a/package-lock.json b/package-lock.json
index ef07511c..0193128b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,18 +1,18 @@
 {
   "name": "socket.io-client",
-  "version": "4.5.2",
+  "version": "4.5.3",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "socket.io-client",
-      "version": "4.5.2",
+      "version": "4.5.3",
       "license": "MIT",
       "dependencies": {
         "@socket.io/component-emitter": "~3.1.0",
         "debug": "~4.3.2",
         "engine.io-client": "~6.2.3",
-        "socket.io-parser": "~4.2.0"
+        "socket.io-parser": "~4.2.1"
       },
       "devDependencies": {
         "@babel/core": "^7.15.0",
@@ -13270,9 +13270,9 @@
       }
     },
     "node_modules/socket.io-parser": {
-      "version": "4.2.0",
-      "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-4.2.0.tgz",
-      "integrity": "sha512-tLfmEwcEwnlQTxFB7jibL/q2+q8dlVQzj4JdRLJ/W/G1+Fu9VSxCx1Lo+n1HvXxKnM//dUuD0xgiA7tQf57Vng==",
+      "version": "4.2.1",
+      "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-4.2.1.tgz",
+      "integrity": "sha512-V4GrkLy+HeF1F/en3SpUaM+7XxYXpuMUWLGde1kSSh5nQMN4hLrbPIkD+otwh6q9R6NOQBN4AMaOZ2zVjui82g==",
       "dependencies": {
         "@socket.io/component-emitter": "~3.1.0",
         "debug": "~4.3.1"
@@ -27863,9 +27863,9 @@
       }
     },
     "socket.io-parser": {
-      "version": "4.2.0",
-      "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-4.2.0.tgz",
-      "integrity": "sha512-tLfmEwcEwnlQTxFB7jibL/q2+q8dlVQzj4JdRLJ/W/G1+Fu9VSxCx1Lo+n1HvXxKnM//dUuD0xgiA7tQf57Vng==",
+      "version": "4.2.1",
+      "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-4.2.1.tgz",
+      "integrity": "sha512-V4GrkLy+HeF1F/en3SpUaM+7XxYXpuMUWLGde1kSSh5nQMN4hLrbPIkD+otwh6q9R6NOQBN4AMaOZ2zVjui82g==",
       "requires": {
         "@socket.io/component-emitter": "~3.1.0",
         "debug": "~4.3.1"
diff --git a/package.json b/package.json
index 12d07858..c5b9d06d 100644
--- a/package.json
+++ b/package.json
@@ -35,7 +35,7 @@
     "@socket.io/component-emitter": "~3.1.0",
     "debug": "~4.3.2",
     "engine.io-client": "~6.2.3",
-    "socket.io-parser": "~4.2.0"
+    "socket.io-parser": "~4.2.1"
   },
   "devDependencies": {
     "@babel/core": "^7.15.0",