diff --git a/package-lock.json b/package-lock.json
index 9a7ce98df..353fbd78c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1080,6 +1080,11 @@
         "regenerator-runtime": "^0.13.2"
       },
       "dependencies": {
+        "core-js": {
+          "version": "2.6.9",
+          "resolved": "https://registry.npmjs.org/core-js/-/core-js-2.6.9.tgz",
+          "integrity": "sha512-HOpZf6eXmnl7la+cUdMnLvUxKNqLUzJvgIziQ0DiF3JwSImNphIqdGqzj6hIKyX04MmV0poclQ7+wjWvxQyR2A=="
+        },
         "regenerator-runtime": {
           "version": "0.13.2",
           "resolved": "https://registry.npmjs.org/regenerator-runtime/-/regenerator-runtime-0.13.2.tgz",
@@ -2700,9 +2705,9 @@
       "dev": true
     },
     "core-js": {
-      "version": "2.6.9",
-      "resolved": "https://registry.npmjs.org/core-js/-/core-js-2.6.9.tgz",
-      "integrity": "sha512-HOpZf6eXmnl7la+cUdMnLvUxKNqLUzJvgIziQ0DiF3JwSImNphIqdGqzj6hIKyX04MmV0poclQ7+wjWvxQyR2A=="
+      "version": "3.1.3",
+      "resolved": "https://registry.npmjs.org/core-js/-/core-js-3.1.3.tgz",
+      "integrity": "sha512-PWZ+ZfuaKf178BIAg+CRsljwjIMRV8MY00CbZczkR6Zk5LfkSkjGoaab3+bqRQWVITNZxQB7TFYz+CFcyuamvA=="
     },
     "core-js-compat": {
       "version": "3.1.2",
diff --git a/package.json b/package.json
index f19b05b26..1d73a0b75 100644
--- a/package.json
+++ b/package.json
@@ -37,6 +37,7 @@
 	"dependencies": {
 		"axios": "^0.19.0",
 		"cdav-library": "github:nextcloud/cdav-library",
+		"core-js": "^3.1.3",
 		"debounce": "^1.2.0",
 		"downloadjs": "^1.4.7",
 		"ical.js": "^1.3.0",
diff --git a/src/main.js b/src/main.js
index c6d0f8b78..daa7bdfc2 100644
--- a/src/main.js
+++ b/src/main.js
@@ -19,6 +19,10 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  *
  */
+
+import 'core-js/stable'
+import 'regenerator-runtime/runtime'
+
 import Vue from 'vue'
 import App from './App'
 import router from './router'