diff --git a/node_modules/jackspeak/dist/commonjs/index.js b/node_modules/jackspeak/dist/commonjs/index.js
index b0e016d175ad0..f7fc9cb69a2af 100644
--- a/node_modules/jackspeak/dist/commonjs/index.js
+++ b/node_modules/jackspeak/dist/commonjs/index.js
@@ -501,7 +501,7 @@ class Jack {
                 cause = { name: field, found: value, validOptions: validOptions };
             }
             if (valid && !valid(value)) {
-                cause ??= { name: field, found: value };
+                cause = cause || { name: field, found: value };
             }
             if (cause) {
                 throw new Error(`Invalid value provided for --${field}: ${JSON.stringify(value)}`, { cause });
@@ -565,7 +565,7 @@ class Jack {
                 };
             }
             if (config.validate && !config.validate(value)) {
-                cause ??= { name: field, found: value };
+                cause = cause || { name: field, found: value };
             }
             if (cause) {
                 throw new Error(`Invalid config value for ${field}: ${value}`, {
diff --git a/node_modules/jackspeak/dist/esm/index.js b/node_modules/jackspeak/dist/esm/index.js
index 8eef5b4e8f5f8..78fdfa8155472 100644
--- a/node_modules/jackspeak/dist/esm/index.js
+++ b/node_modules/jackspeak/dist/esm/index.js
@@ -493,7 +493,7 @@ export class Jack {
                 cause = { name: field, found: value, validOptions: validOptions };
             }
             if (valid && !valid(value)) {
-                cause ??= { name: field, found: value };
+                cause = cause || { name: field, found: value };
             }
             if (cause) {
                 throw new Error(`Invalid value provided for --${field}: ${JSON.stringify(value)}`, { cause });
@@ -557,7 +557,7 @@ export class Jack {
                 };
             }
             if (config.validate && !config.validate(value)) {
-                cause ??= { name: field, found: value };
+                cause = cause || { name: field, found: value };
             }
             if (cause) {
                 throw new Error(`Invalid config value for ${field}: ${value}`, {
diff --git a/node_modules/jackspeak/package.json b/node_modules/jackspeak/package.json
index f9f7430673311..51eaabdf35469 100644
--- a/node_modules/jackspeak/package.json
+++ b/node_modules/jackspeak/package.json
@@ -1,6 +1,9 @@
 {
   "name": "jackspeak",
-  "version": "3.4.0",
+  "publishConfig": {
+    "tag": "v3-legacy"
+  },
+  "version": "3.4.3",
   "description": "A very strict and proper argument parser.",
   "tshy": {
     "main": true,
@@ -66,9 +69,6 @@
   "dependencies": {
     "@isaacs/cliui": "^8.0.2"
   },
-  "engines": {
-    "node": ">=14"
-  },
   "funding": {
     "url": "https://github.com/sponsors/isaacs"
   },
diff --git a/package-lock.json b/package-lock.json
index ac2be45049f61..b67bc739686fc 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -7345,17 +7345,14 @@
       }
     },
     "node_modules/jackspeak": {
-      "version": "3.4.0",
-      "resolved": "https://registry.npmjs.org/jackspeak/-/jackspeak-3.4.0.tgz",
-      "integrity": "sha512-JVYhQnN59LVPFCEcVa2C3CrEKYacvjRfqIQl+h8oi91aLYQVWRYbxjPcv1bUiUy/kLmQaANrYfNMCO3kuEDHfw==",
+      "version": "3.4.3",
+      "resolved": "https://registry.npmjs.org/jackspeak/-/jackspeak-3.4.3.tgz",
+      "integrity": "sha512-OGlZQpz2yfahA/Rd1Y8Cd9SIEsqvXkLVoSw/cgwhnhFMDbsQFeZYoJJ7bIZBS9BcamUW96asq/npPWugM+RQBw==",
       "inBundle": true,
       "license": "BlueOak-1.0.0",
       "dependencies": {
         "@isaacs/cliui": "^8.0.2"
       },
-      "engines": {
-        "node": ">=14"
-      },
       "funding": {
         "url": "https://github.com/sponsors/isaacs"
       },