diff --git a/package-lock.json b/package-lock.json
index facbb730..e754aee7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2420,7 +2420,6 @@
       "integrity": "sha1-llxwWGaOgrVde/4E/yM3vItWR/4=",
       "dev": true,
       "requires": {
-        "core-js": "^2.4.0",
         "regenerator-runtime": "^0.11.0"
       }
     },
@@ -3751,9 +3750,9 @@
       "integrity": "sha512-EYC5eQFVkoYXq39l7tYKE6lEjHJ04mvTmKXxGL7quHLdFPfJMNzru/UYpn92AOfpl3PQaZmou78C7EgmFOwFQQ=="
     },
     "core-js": {
-      "version": "2.6.5",
-      "resolved": "https://registry.npmjs.org/core-js/-/core-js-2.6.5.tgz",
-      "integrity": "sha512-klh/kDpwX8hryYL14M9w/xei6vrv6sE8gTHDG7/T/+SEovB/G4ejwcfE/CBzO6Edsu+OETZMZ3wcX/EjUkrl5A=="
+      "version": "3.3.1",
+      "resolved": "https://registry.npmjs.org/core-js/-/core-js-3.3.1.tgz",
+      "integrity": "sha512-1PGI49Lz5qYo3EBz0kymSfJgTvn2G/c03lBTJ7PO0R1liQ7Yd6E570odu5p4CxG/WB0yUwCmAWummo79yOQUcQ=="
     },
     "core-util-is": {
       "version": "1.0.2",
@@ -7498,7 +7497,6 @@
         "chokidar": "^2.0.3",
         "colors": "^1.1.0",
         "connect": "^3.6.0",
-        "core-js": "^2.2.0",
         "di": "^0.0.1",
         "dom-serialize": "^2.2.0",
         "flatted": "^2.0.0",
diff --git a/package.json b/package.json
index 232b99e6..871fa3a2 100644
--- a/package.json
+++ b/package.json
@@ -62,7 +62,7 @@
     "cordova-plugin-ionic-webview": "4.1.1",
     "cordova-plugin-splashscreen": "5.0.3",
     "cordova-plugin-whitelist": "1.3.4",
-    "core-js": "2.6.5",
+    "core-js": "3.3.1",
     "intersection-observer": "0.5.1",
     "ng-lottie": "0.3.2",
     "ngx-markdown": "7.1.5",