diff --git a/package-lock.json b/package-lock.json
index c3ff2ee..367506c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -28,6 +28,7 @@
       },
       "devDependencies": {
         "@babel/core": "^7.26.0",
+        "@babel/plugin-transform-private-property-in-object": "^7.25.9",
         "@babel/preset-env": "^7.26.0",
         "@babel/preset-react": "^7.26.3",
         "@testing-library/jest-dom": "^6.6.3",
diff --git a/package.json b/package.json
index 7f98881..ea41902 100755
--- a/package.json
+++ b/package.json
@@ -48,6 +48,7 @@
   },
   "devDependencies": {
     "@babel/core": "^7.26.0",
+    "@babel/plugin-transform-private-property-in-object": "^7.25.9",
     "@babel/preset-env": "^7.26.0",
     "@babel/preset-react": "^7.26.3",
     "@testing-library/jest-dom": "^6.6.3",