diff --git a/package-lock.json b/package-lock.json
index 96f6754..9df5a88 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10,7 +10,7 @@
       "license": "MIT",
       "dependencies": {
         "@babel/polyfill": "^7.8.3",
-        "core-js": "^3.6.3",
+        "core-js": "^3.39.0",
         "pepjs": "^0.5.2"
       },
       "devDependencies": {
@@ -2766,9 +2766,9 @@
       "dev": true
     },
     "node_modules/core-js": {
-      "version": "3.38.1",
-      "resolved": "https://registry.npmjs.org/core-js/-/core-js-3.38.1.tgz",
-      "integrity": "sha512-OP35aUorbU3Zvlx7pjsFdu1rGNnD4pgw/CWoYzRY3t2EzoVT7shKHY1dlAy3f41cGIO7ZDPQimhGFTlEYkG/Hw==",
+      "version": "3.39.0",
+      "resolved": "https://registry.npmjs.org/core-js/-/core-js-3.39.0.tgz",
+      "integrity": "sha512-raM0ew0/jJUqkJ0E6e8UDtl+y/7ktFivgWvqw8dNSQeNWoSDLvQ1H/RN3aPXB9tBd4/FhyR4RDPGhsNIMsAn7g==",
       "hasInstallScript": true,
       "funding": {
         "type": "opencollective",
diff --git a/package.json b/package.json
index 8dc4c16..88f7c3f 100644
--- a/package.json
+++ b/package.json
@@ -35,7 +35,7 @@
   },
   "dependencies": {
     "@babel/polyfill": "^7.8.3",
-    "core-js": "^3.6.3",
+    "core-js": "^3.39.0",
     "pepjs": "^0.5.2"
   }
 }