diff --git a/package-lock.json b/package-lock.json
index 7e08b77..3db459b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1883,9 +1883,9 @@
       "dev": true
     },
     "core-js": {
-      "version": "3.6.5",
-      "resolved": "https://registry.npmjs.org/core-js/-/core-js-3.6.5.tgz",
-      "integrity": "sha512-vZVEEwZoIsI+vPEuoF9Iqf5H7/M3eeQqWlQnYa8FSKKePuYTf5MWnxb5SDAzCa60b3JBRS5g9b+Dq7b1y/RCrA==",
+      "version": "3.49.0",
+      "resolved": "https://registry.npmjs.org/core-js/-/core-js-3.49.0.tgz",
+      "integrity": "sha512-es1U2+YTtzpwkxVLwAFdSpaIMyQaq0PBgm3YD1W3Qpsn1NAmO3KSgZfu+oGSWVu6NvLHoHCV/aYcsE5wiB7ALg==",
       "dev": true
     },
     "core-js-compat": {
diff --git a/package.json b/package.json
index c0e716c..403de0b 100644
--- a/package.json
+++ b/package.json
@@ -4,7 +4,7 @@
   "description": "integration tests with K6 for forwardauth",
   "main": "./src/main.js",
   "devDependencies": {
-    "core-js": "3.6.5",
+    "core-js": "3.49.0",
     "moment": "2.27.0",
     "@babel/core": "7.10.2",
     "@babel/preset-env": "7.10.2",