diff --git a/backend/package.json b/backend/package.json
index b9ec4b5f..bbd7400c 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -19,7 +19,7 @@
     "aws-sdk": "^2.846.0",
     "compression": "^1.7.4",
     "cookie-parser": "~1.4.4",
-    "core-js": "^3.9.0",
+    "core-js": "^3.11.1",
     "cors": "^2.8.5",
     "debug": "~4.3.1",
     "dotenv": "^8.2.0",
diff --git a/backend/yarn.lock b/backend/yarn.lock
index dcf574cc..13e87edc 100644
--- a/backend/yarn.lock
+++ b/backend/yarn.lock
@@ -1768,10 +1768,10 @@ copy-descriptor@^0.1.0:
   resolved "https://registry.yarnpkg.com/copy-descriptor/-/copy-descriptor-0.1.1.tgz#676f6eb3c39997c2ee1ac3a924fd6124748f578d"
   integrity sha1-Z29us8OZl8LuGsOpJP1hJHSPV40=
 
-core-js@^3.0.1, core-js@^3.9.0:
-  version "3.9.0"
-  resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.9.0.tgz#790b1bb11553a2272b36e2625c7179db345492f8"
-  integrity sha512-PyFBJaLq93FlyYdsndE5VaueA9K5cNB7CGzeCj191YYLhkQM0gdZR2SKihM70oF0wdqKSKClv/tEBOpoRmdOVQ==
+core-js@^3.0.1, core-js@^3.11.1:
+  version "3.11.1"
+  resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.11.1.tgz#f920392bf8ed63a0ec8e4e729857bfa3d121c525"
+  integrity sha512-k93Isqg7e4txZWMGNYwevZL9MiogLk8pd1PtwrmFmi8IBq4GXqUaVW/a33Llt6amSI36uSjd0GWwc9pTT9ALlQ==
 
 core-util-is@1.0.2, core-util-is@~1.0.0:
   version "1.0.2"