diff --git a/dev-projects/my-documaker/code/frontend/package.json b/dev-projects/my-documaker/code/frontend/package.json
index 800b84f..1d12761 100644
--- a/dev-projects/my-documaker/code/frontend/package.json
+++ b/dev-projects/my-documaker/code/frontend/package.json
@@ -13,7 +13,7 @@
     "@quasar/extras": "^1.0.0",
     "@vue/composition-api": "^0.6.4",
     "axios": "^0.18.1",
-    "core-js": "^3.6.5",
+    "core-js": "^3.45.1",
     "quasar": "^1.0.0"
   },
   "devDependencies": {
diff --git a/dev-projects/my-documaker/code/frontend/yarn.lock b/dev-projects/my-documaker/code/frontend/yarn.lock
index 22e407b..47f54d2 100644
--- a/dev-projects/my-documaker/code/frontend/yarn.lock
+++ b/dev-projects/my-documaker/code/frontend/yarn.lock
@@ -2898,6 +2898,11 @@ core-js-compat@^3.6.2, core-js-compat@^3.6.5:
     browserslist "^4.8.5"
     semver "7.0.0"
 
+core-js@^3.45.1:
+  version "3.45.1"
+  resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.45.1.tgz#5810e04a1b4e9bc5ddaa4dd12e702ff67300634d"
+  integrity sha512-L4NPsJlCfZsPeXukyzHFlg/i7IIVwHSItR0wg0FLNqYClJ4MQYTYLbC7EkjKYRLZF2iof2MUgN0EGy7MdQFChg==
+
 core-js@^3.6.5:
   version "3.6.5"
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.6.5.tgz#7395dc273af37fb2e50e9bd3d9fe841285231d1a"