diff --git a/package.json b/package.json
index 7f98f2d..fc197c4 100644
--- a/package.json
+++ b/package.json
@@ -57,7 +57,7 @@
         "bs58check": "^2.1.2",
         "buffer": "5.4.3",
         "connect-history-api-fallback": "1.6.0",
-        "core-js": "3.4.4",
+        "core-js": "3.21.1",
         "cors": "2.8.5",
         "create-hash": "1.2.0",
         "crypto-js": "^4.1.1",
diff --git a/yarn.lock b/yarn.lock
index e0fcfd3..336722b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5978,10 +5978,10 @@ core-js-compat@^3.6.5, core-js-compat@^3.8.0:
     browserslist "^4.16.1"
     semver "7.0.0"
 
-core-js@3.4.4:
-  version "3.4.4"
-  resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.4.4.tgz#e3d422f8a51adc4cae2bfa04cef26a5ccc046d29"
-  integrity sha512-vKea1DrcLA80Hrfc7AQgfoGvEaByfR5mH08t+zuWOWY94TFBmabdEL56mUbcijvadG9RxsXR2gUUFrfj4/iTcA==
+core-js@3.21.1:
+  version "3.21.1"
+  resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.21.1.tgz#f2e0ddc1fc43da6f904706e8e955bc19d06a0d94"
+  integrity sha512-FRq5b/VMrWlrmCzwRrpDYNxyHP9BcAZC+xHJaqTgIE5091ZV1NTmyh0sGOg5XqpnHvR0svdy0sv1gWA1zmhxig==
 
 core-js@^2.4.0:
   version "2.6.12"