diff --git a/vuejs/package.json b/vuejs/package.json
index 3d5eea2..68040a0 100644
--- a/vuejs/package.json
+++ b/vuejs/package.json
@@ -11,7 +11,7 @@
   "dependencies": {
     "@fullhuman/postcss-purgecss": "^1.3.0",
     "axios": "^0.19.0",
-    "core-js": "^2.6.5",
+    "core-js": "^3.3.5",
     "postcss-import": "^12.0.1",
     "postcss-nested": "^4.1.2",
     "qs": "^6.9.0",
diff --git a/vuejs/yarn.lock b/vuejs/yarn.lock
index 77cbf1e..26cb69e 100644
--- a/vuejs/yarn.lock
+++ b/vuejs/yarn.lock
@@ -2612,6 +2612,11 @@ core-js@^2.4.0, core-js@^2.5.0, core-js@^2.6.5:
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.6.10.tgz#8a5b8391f8cc7013da703411ce5b585706300d7f"
   integrity sha512-I39t74+4t+zau64EN1fE5v2W31Adtc/REhzWN+gWRRXg6WH5qAsZm62DHpQ1+Yhe4047T55jvzz7MUqF/dBBlA==
 
+core-js@^3.3.5:
+  version "3.3.5"
+  resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.3.5.tgz#58d20f48a95a07304b62ff752742b82b56431ed8"
+  integrity sha512-0J3K+Par/ZydhKg8pEiTcK/9d65/nqJOzY62uMkjeBmt05fDOt/khUVjDdh8TpeIuGQDy1yLDDCjiWN/8pFIuw==
+
 core-util-is@1.0.2, core-util-is@~1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/core-util-is/-/core-util-is-1.0.2.tgz#b5fd54220aa2bc5ab57aab7140c940754503c1a7"