diff --git a/packages/babel-preset-gatsby-package/package.json b/packages/babel-preset-gatsby-package/package.json
index e1ff169921bed..1c96c54094ee0 100644
--- a/packages/babel-preset-gatsby-package/package.json
+++ b/packages/babel-preset-gatsby-package/package.json
@@ -19,7 +19,7 @@
     "@babel/preset-react": "^7.14.0",
     "@babel/runtime": "^7.14.8",
     "babel-plugin-dynamic-import-node": "^2.3.3",
-    "core-js": "^3.10.0"
+    "core-js": "^3.17.0"
   },
   "devDependencies": {
     "@babel/cli": "^7.14.8",
diff --git a/packages/gatsby-graphiql-explorer/package.json b/packages/gatsby-graphiql-explorer/package.json
index 70e4dd067bd87..4743323119c8d 100644
--- a/packages/gatsby-graphiql-explorer/package.json
+++ b/packages/gatsby-graphiql-explorer/package.json
@@ -39,7 +39,7 @@
     "@babel/preset-react": "^7.14.0",
     "babel-loader": "^8.2.2",
     "babel-preset-gatsby-package": "^1.14.0-next.0",
-    "core-js": "^3.8.1",
+    "core-js": "^3.17.0",
     "cross-env": "^7.0.3",
     "css-loader": "^5.2.0",
     "graphiql": "^1.4.0",
diff --git a/packages/gatsby-plugin-mdx/package.json b/packages/gatsby-plugin-mdx/package.json
index 046c029448e2c..987778e7703c1 100644
--- a/packages/gatsby-plugin-mdx/package.json
+++ b/packages/gatsby-plugin-mdx/package.json
@@ -30,7 +30,7 @@
     "@babel/types": "^7.14.9",
     "camelcase-css": "^2.0.1",
     "change-case": "^3.1.0",
-    "core-js": "^3.6.5",
+    "core-js": "^3.17.0",
     "dataloader": "^1.4.0",
     "debug": "^4.3.1",
     "escape-string-regexp": "^1.0.5",
diff --git a/packages/gatsby/package.json b/packages/gatsby/package.json
index b3e91ff452f8d..a429c8fdf41f4 100644
--- a/packages/gatsby/package.json
+++ b/packages/gatsby/package.json
@@ -44,7 +44,7 @@
     "common-tags": "^1.8.0",
     "compression": "^1.7.4",
     "cookie": "^0.4.1",
-    "core-js": "^3.9.0",
+    "core-js": "^3.17.0",
     "cors": "^2.8.5",
     "css-loader": "^5.0.1",
     "css-minimizer-webpack-plugin": "^2.0.0",
diff --git a/yarn.lock b/yarn.lock
index af6f9923242bf..ce10f03d1625c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -8679,10 +8679,10 @@ core-js@^2.4.0, core-js@^2.4.1, core-js@^2.5.0, core-js@^2.6.5:
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.6.11.tgz#38831469f9922bded8ee21c9dc46985e0399308c"
   integrity sha512-5wjnpaT/3dV+XB4borEsnAYQchn00XSgTAWKDkEqv+K8KevjbzmofK6hfJ9TZIlpj2N0xQpazy7PiRQiWHqzWg==
 
-core-js@^3.0.0, core-js@^3.10.0, core-js@^3.14.0, core-js@^3.6.5, core-js@^3.8.1, core-js@^3.9.0:
-  version "3.16.0"
-  resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.16.0.tgz#1d46fb33720bc1fa7f90d20431f36a5540858986"
-  integrity sha512-5+5VxRFmSf97nM8Jr2wzOwLqRo6zphH2aX+7KsAUONObyzakDNq2G/bgbhinxB4PoV9L3aXQYhiDKyIKWd2c8g==
+core-js@^3.0.0, core-js@^3.14.0, core-js@^3.17.0:
+  version "3.17.0"
+  resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.17.0.tgz#01a60285b6247b4865e6a394d528070ee964f8c3"
+  integrity sha512-zXT4rclS9jM6tikbAUKAGLonuRKOJ2ZvBnZCEOJAbzuTLw4kKcuA5plNt8juzdU6O/py/EgAehzvLh0VXEdBbQ==
 
 core-util-is@1.0.2, core-util-is@~1.0.0:
   version "1.0.2"