diff --git a/final_project/frontend/package-lock.json b/final_project/frontend/package-lock.json
index a66d4e7..910d934 100644
--- a/final_project/frontend/package-lock.json
+++ b/final_project/frontend/package-lock.json
@@ -778,6 +778,14 @@
       "requires": {
         "core-js": "^2.6.5",
         "regenerator-runtime": "^0.13.2"
+      },
+      "dependencies": {
+        "core-js": {
+          "version": "2.6.10",
+          "resolved": "https://registry.npmjs.org/core-js/-/core-js-2.6.10.tgz",
+          "integrity": "sha512-I39t74+4t+zau64EN1fE5v2W31Adtc/REhzWN+gWRRXg6WH5qAsZm62DHpQ1+Yhe4047T55jvzz7MUqF/dBBlA==",
+          "dev": true
+        }
       }
     },
     "@babel/template": {
@@ -1018,6 +1026,14 @@
         "babel-plugin-dynamic-import-node": "^2.2.0",
         "babel-plugin-module-resolver": "3.2.0",
         "core-js": "^2.6.5"
+      },
+      "dependencies": {
+        "core-js": {
+          "version": "2.6.10",
+          "resolved": "https://registry.npmjs.org/core-js/-/core-js-2.6.10.tgz",
+          "integrity": "sha512-I39t74+4t+zau64EN1fE5v2W31Adtc/REhzWN+gWRRXg6WH5qAsZm62DHpQ1+Yhe4047T55jvzz7MUqF/dBBlA==",
+          "dev": true
+        }
       }
     },
     "@vue/babel-preset-jsx": {
@@ -3159,9 +3175,9 @@
       }
     },
     "core-js": {
-      "version": "2.6.10",
-      "resolved": "https://registry.npmjs.org/core-js/-/core-js-2.6.10.tgz",
-      "integrity": "sha512-I39t74+4t+zau64EN1fE5v2W31Adtc/REhzWN+gWRRXg6WH5qAsZm62DHpQ1+Yhe4047T55jvzz7MUqF/dBBlA=="
+      "version": "3.4.5",
+      "resolved": "https://registry.npmjs.org/core-js/-/core-js-3.4.5.tgz",
+      "integrity": "sha512-OuvejWH6vIaUo59Ndlh89purNm4DCIy/v3QoYlcGnn+PkYI8BhNHfCuAESrWX+ZPfq9JccVJ+XXgOMy77PJexg=="
     },
     "core-util-is": {
       "version": "1.0.2",
diff --git a/final_project/frontend/package.json b/final_project/frontend/package.json
index db60e28..7f1acfa 100644
--- a/final_project/frontend/package.json
+++ b/final_project/frontend/package.json
@@ -8,7 +8,7 @@
     "lint": "vue-cli-service lint"
   },
   "dependencies": {
-    "core-js": "^2.6.5",
+    "core-js": "^3.4.5",
     "serialize-javascript": "^2.1.1",
     "vue": "^2.6.10",
     "vue-router": "^3.1.3"