diff --git a/src/Playwright.TestingHarnessTest/package-lock.json b/src/Playwright.TestingHarnessTest/package-lock.json
index 9e0dc4a94..fe9e27e76 100644
--- a/src/Playwright.TestingHarnessTest/package-lock.json
+++ b/src/Playwright.TestingHarnessTest/package-lock.json
@@ -9,7 +9,7 @@
       "devDependencies": {
         "@playwright/test": "1.58.1",
         "@types/node": "^22.12.0",
-        "fast-xml-parser": "^4.5.0"
+        "fast-xml-parser": "^5.3.6"
       }
     },
     "node_modules/@playwright/test": {
@@ -39,23 +39,18 @@
       }
     },
     "node_modules/fast-xml-parser": {
-      "version": "4.5.0",
-      "resolved": "https://registry.npmjs.org/fast-xml-parser/-/fast-xml-parser-4.5.0.tgz",
-      "integrity": "sha512-/PlTQCI96+fZMAOLMZK4CWG1ItCbfZ/0jx7UIJFChPNrx7tcEgerUgWbeieCM9MfHInUDyK8DWYZ+YrywDJuTg==",
+      "version": "5.3.6",
+      "resolved": "https://registry.npmjs.org/fast-xml-parser/-/fast-xml-parser-5.3.6.tgz",
+      "integrity": "sha512-QNI3sAvSvaOiaMl8FYU4trnEzCwiRr8XMWgAHzlrWpTSj+QaCSvOf1h82OEP1s4hiAXhnbXSyFWCf4ldZzZRVA==",
       "dev": true,
       "funding": [
         {
           "type": "github",
           "url": "https://github.com/sponsors/NaturalIntelligence"
-        },
-        {
-          "type": "paypal",
-          "url": "https://paypal.me/naturalintelligence"
         }
       ],
-      "license": "MIT",
       "dependencies": {
-        "strnum": "^1.0.5"
+        "strnum": "^2.1.2"
       },
       "bin": {
         "fxparser": "src/cli/cli.js"
@@ -109,10 +104,16 @@
       }
     },
     "node_modules/strnum": {
-      "version": "1.0.5",
-      "resolved": "https://registry.npmjs.org/strnum/-/strnum-1.0.5.tgz",
-      "integrity": "sha512-J8bbNyKKXl5qYcR36TIO8W3mVGVHrmmxsd5PAItGkmyzwJvybiw2IVq5nqd0i4LSNSkB/sx9VHllbfFdr9k1JA==",
-      "dev": true
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/strnum/-/strnum-2.1.2.tgz",
+      "integrity": "sha512-l63NF9y/cLROq/yqKXSLtcMeeyOfnSQlfMSlzFt/K73oIaD8DGaQWd7Z34X9GPiKqP5rbSh84Hl4bOlLcjiSrQ==",
+      "dev": true,
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/NaturalIntelligence"
+        }
+      ]
     },
     "node_modules/undici-types": {
       "version": "6.20.0",
@@ -142,12 +143,12 @@
       }
     },
     "fast-xml-parser": {
-      "version": "4.5.0",
-      "resolved": "https://registry.npmjs.org/fast-xml-parser/-/fast-xml-parser-4.5.0.tgz",
-      "integrity": "sha512-/PlTQCI96+fZMAOLMZK4CWG1ItCbfZ/0jx7UIJFChPNrx7tcEgerUgWbeieCM9MfHInUDyK8DWYZ+YrywDJuTg==",
+      "version": "5.3.6",
+      "resolved": "https://registry.npmjs.org/fast-xml-parser/-/fast-xml-parser-5.3.6.tgz",
+      "integrity": "sha512-QNI3sAvSvaOiaMl8FYU4trnEzCwiRr8XMWgAHzlrWpTSj+QaCSvOf1h82OEP1s4hiAXhnbXSyFWCf4ldZzZRVA==",
       "dev": true,
       "requires": {
-        "strnum": "^1.0.5"
+        "strnum": "^2.1.2"
       }
     },
     "fsevents": {
@@ -174,9 +175,9 @@
       "dev": true
     },
     "strnum": {
-      "version": "1.0.5",
-      "resolved": "https://registry.npmjs.org/strnum/-/strnum-1.0.5.tgz",
-      "integrity": "sha512-J8bbNyKKXl5qYcR36TIO8W3mVGVHrmmxsd5PAItGkmyzwJvybiw2IVq5nqd0i4LSNSkB/sx9VHllbfFdr9k1JA==",
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/strnum/-/strnum-2.1.2.tgz",
+      "integrity": "sha512-l63NF9y/cLROq/yqKXSLtcMeeyOfnSQlfMSlzFt/K73oIaD8DGaQWd7Z34X9GPiKqP5rbSh84Hl4bOlLcjiSrQ==",
       "dev": true
     },
     "undici-types": {
diff --git a/src/Playwright.TestingHarnessTest/package.json b/src/Playwright.TestingHarnessTest/package.json
index 08d254354..bc999ef08 100644
--- a/src/Playwright.TestingHarnessTest/package.json
+++ b/src/Playwright.TestingHarnessTest/package.json
@@ -4,6 +4,6 @@
   "devDependencies": {
     "@playwright/test": "1.58.1",
     "@types/node": "^22.12.0",
-    "fast-xml-parser": "^4.5.0"
+    "fast-xml-parser": "^5.3.6"
   }
 }