diff --git a/package-lock.json b/package-lock.json
index 07f435f3d4..2e907e24a6 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -42315,6 +42315,7 @@
       "license": "MIT",
       "dependencies": {
         "@babel/core": "^7.23.2",
+        "@babel/plugin-proposal-private-property-in-object": "^7.21.11",
         "@loadable/babel-plugin": "^5.16.1",
         "@loadable/webpack-plugin": "^5.15.2",
         "@pmmmwh/react-refresh-webpack-plugin": "^0.5.11",
@@ -42403,6 +42404,24 @@
         }
       }
     },
+    "packages/react-scripts/node_modules/@babel/plugin-proposal-private-property-in-object": {
+      "version": "7.21.11",
+      "resolved": "https://registry.npmjs.org/@babel/plugin-proposal-private-property-in-object/-/plugin-proposal-private-property-in-object-7.21.11.tgz",
+      "integrity": "sha512-0QZ8qP/3RLDVBwBFoWAwCtgcDZJVwA5LUJRZU8x2YFfKNuFq161wK3cuGrALu5yiPu+vzwTAg/sMWVNeWeNyaw==",
+      "deprecated": "This proposal has been merged to the ECMAScript standard and thus this plugin is no longer maintained. Please use @babel/plugin-transform-private-property-in-object instead.",
+      "dependencies": {
+        "@babel/helper-annotate-as-pure": "^7.18.6",
+        "@babel/helper-create-class-features-plugin": "^7.21.0",
+        "@babel/helper-plugin-utils": "^7.20.2",
+        "@babel/plugin-syntax-private-property-in-object": "^7.14.5"
+      },
+      "engines": {
+        "node": ">=6.9.0"
+      },
+      "peerDependencies": {
+        "@babel/core": "^7.0.0-0"
+      }
+    },
     "packages/react-scripts/node_modules/@jest/transform": {
       "version": "29.7.0",
       "resolved": "https://registry.npmjs.org/@jest/transform/-/transform-29.7.0.tgz",
diff --git a/packages/react-scripts/package.json b/packages/react-scripts/package.json
index c11c670258..2a6ca415d0 100644
--- a/packages/react-scripts/package.json
+++ b/packages/react-scripts/package.json
@@ -27,6 +27,7 @@
   "types": "./lib/react-app.d.ts",
   "dependencies": {
     "@babel/core": "^7.23.2",
+    "@babel/plugin-proposal-private-property-in-object": "^7.21.11",
     "@loadable/babel-plugin": "^5.16.1",
     "@loadable/webpack-plugin": "^5.15.2",
     "@pmmmwh/react-refresh-webpack-plugin": "^0.5.11",