diff --git a/package-lock.json b/package-lock.json
index f1b1554..94faff7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -776,6 +776,14 @@
       "requires": {
         "core-js": "^2.6.5",
         "regenerator-runtime": "^0.13.2"
+      },
+      "dependencies": {
+        "core-js": {
+          "version": "2.6.12",
+          "resolved": "https://registry.npmjs.org/core-js/-/core-js-2.6.12.tgz",
+          "integrity": "sha512-Kb2wC0fvsWfQrgk8HU5lW6U/Lcs8+9aaYcy4ZFc6DDlo4nZ7n70dEgE5rtR0oG6ufKDUnrwfWL1mXR5ljDatrQ==",
+          "dev": true
+        }
       }
     },
     "@babel/template": {
@@ -1062,6 +1070,14 @@
         "babel-plugin-dynamic-import-node": "^2.2.0",
         "babel-plugin-module-resolver": "3.2.0",
         "core-js": "^2.6.5"
+      },
+      "dependencies": {
+        "core-js": {
+          "version": "2.6.12",
+          "resolved": "https://registry.npmjs.org/core-js/-/core-js-2.6.12.tgz",
+          "integrity": "sha512-Kb2wC0fvsWfQrgk8HU5lW6U/Lcs8+9aaYcy4ZFc6DDlo4nZ7n70dEgE5rtR0oG6ufKDUnrwfWL1mXR5ljDatrQ==",
+          "dev": true
+        }
       }
     },
     "@vue/babel-preset-jsx": {
@@ -2206,6 +2222,12 @@
         "regenerator-runtime": "^0.11.0"
       },
       "dependencies": {
+        "core-js": {
+          "version": "2.6.12",
+          "resolved": "https://registry.npmjs.org/core-js/-/core-js-2.6.12.tgz",
+          "integrity": "sha512-Kb2wC0fvsWfQrgk8HU5lW6U/Lcs8+9aaYcy4ZFc6DDlo4nZ7n70dEgE5rtR0oG6ufKDUnrwfWL1mXR5ljDatrQ==",
+          "dev": true
+        },
         "regenerator-runtime": {
           "version": "0.11.1",
           "resolved": "https://registry.npmjs.org/regenerator-runtime/-/regenerator-runtime-0.11.1.tgz",
@@ -3332,9 +3354,9 @@
       }
     },
     "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": "3.16.0",
+      "resolved": "https://registry.npmjs.org/core-js/-/core-js-3.16.0.tgz",
+      "integrity": "sha512-5+5VxRFmSf97nM8Jr2wzOwLqRo6zphH2aX+7KsAUONObyzakDNq2G/bgbhinxB4PoV9L3aXQYhiDKyIKWd2c8g=="
     },
     "core-util-is": {
       "version": "1.0.2",
diff --git a/package.json b/package.json
index b75d5c0..2559b9d 100644
--- a/package.json
+++ b/package.json
@@ -12,7 +12,7 @@
     "@tonaljs/note": "^3.2.2",
     "@tonaljs/tonal": "^3.2.2",
     "@tonejs/midi": "^2.0.7",
-    "core-js": "^2.6.5",
+    "core-js": "^3.16.0",
     "eslint-plugin-prettier": "^3.1.0",
     "express": "^4.17.1",
     "register-service-worker": "^1.6.2",