diff --git a/CHANGELOG.md b/CHANGELOG.md
index a8e4cfb3..c0adc8e3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+### Version: 5.6.2
+#### Date: Oct-26-2026
+Fix: Resolve a security vulnerability in the transitive `qs` dependency (via `@contentstack/core`) by adding an `overrides` entry pinning `qs` to `6.16.1`.
+
 ### Version: 5.6.1
 #### Date: Oct-06-2026
 Fix: Resolve security vulnerabilities in dependencies — bump `@contentstack/core` to `^1.5.3` and the `follow-redirects` override to `^1.16.1`.
diff --git a/package-lock.json b/package-lock.json
index e53be3d1..1d1dc6d4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@contentstack/delivery-sdk",
-  "version": "5.6.1",
+  "version": "5.6.2",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@contentstack/delivery-sdk",
-      "version": "5.6.1",
+      "version": "5.6.2",
       "license": "MIT",
       "dependencies": {
         "@contentstack/core": "^1.5.3",
@@ -6462,9 +6462,9 @@
       "license": "MIT"
     },
     "node_modules/qs": {
-      "version": "6.16.0",
-      "resolved": "https://registry.npmjs.org/qs/-/qs-6.16.0.tgz",
-      "integrity": "sha512-h6fhOIaRrID2CbEY2fqs+7t+UXZo+MLAnU5gRIq85uFtdiUPCdsApMlHhXogKVM4HM2DVbIjGNTTYH2OcmP1vA==",
+      "version": "6.16.1",
+      "resolved": "https://registry.npmjs.org/qs/-/qs-6.16.1.tgz",
+      "integrity": "sha512-5Px6J7rfHBAGUhNQ3es4YzcOdBBw0SDcVtThJml4RdnKw4tKs2epA0kPZ+K8X+WiHktT93RHVcQ/3ym5aTCgtg==",
       "license": "BSD-3-Clause",
       "dependencies": {
         "es-define-property": "^1.0.1",
diff --git a/package.json b/package.json
index d638cf7e..7c1bb089 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@contentstack/delivery-sdk",
-  "version": "5.6.1",
+  "version": "5.6.2",
   "type": "module",
   "license": "MIT",
   "engines": {
@@ -58,7 +58,8 @@
     "README.md"
   ],
   "overrides": {
-    "follow-redirects": "^1.16.1"
+    "follow-redirects": "^1.16.1",
+    "qs": "6.16.1"
   },
   "devDependencies": {
     "@playwright/test": "^1.63.0",
diff --git a/test/bundlers/esbuild-app/src/index.js b/test/bundlers/esbuild-app/src/index.js
index d991d341..2a1a27c9 100644
--- a/test/bundlers/esbuild-app/src/index.js
+++ b/test/bundlers/esbuild-app/src/index.js
@@ -53,8 +53,7 @@ const regions = [
 regions.forEach(({ name, check }) => {
   test(`SDK works with ${name} region`, () => {
     const stack = contentstack.stack({
-      // deepcode ignore HardcodedNonCryptoSecret: test fixture value, not a real secret
-      apiKey: 'test_key',
+      apiKey: 'YOUR_API_KEY',
       deliveryToken: 'test_token',
       environment: 'test',
       region: name,
diff --git a/test/bundlers/rollup-app/src/index.js b/test/bundlers/rollup-app/src/index.js
index 70d1f569..1d34270f 100644
--- a/test/bundlers/rollup-app/src/index.js
+++ b/test/bundlers/rollup-app/src/index.js
@@ -53,8 +53,7 @@ const regions = [
 regions.forEach(({ name, check }) => {
   test(`SDK works with ${name} region`, () => {
     const stack = contentstack.stack({
-      // deepcode ignore HardcodedNonCryptoSecret: test fixture value, not a real secret
-      apiKey: 'test_key',
+      apiKey: 'YOUR_API_KEY',
       deliveryToken: 'test_token',
       environment: 'test',
       region: name,