diff --git a/packages/babel-preset-gatsby-package/package.json b/packages/babel-preset-gatsby-package/package.json
index 2d427e8afe96c..b4b0ebe3f2154 100644
--- a/packages/babel-preset-gatsby-package/package.json
+++ b/packages/babel-preset-gatsby-package/package.json
@@ -17,7 +17,7 @@
     "@babel/preset-flow": "^7.0.0",
     "@babel/preset-react": "^7.6.3",
     "babel-plugin-dynamic-import-node": "^1.2.0",
-    "core-js": "^2.6.9"
+    "core-js": "^2.6.10"
   },
   "license": "MIT",
   "main": "index.js",
diff --git a/packages/gatsby-cli/package.json b/packages/gatsby-cli/package.json
index 1b162b08742de..aaec87131f3d3 100644
--- a/packages/gatsby-cli/package.json
+++ b/packages/gatsby-cli/package.json
@@ -21,7 +21,7 @@
     "common-tags": "^1.8.0",
     "configstore": "^5.0.0",
     "convert-hrtime": "^2.0.0",
-    "core-js": "^2.6.9",
+    "core-js": "^2.6.10",
     "envinfo": "^5.12.1",
     "execa": "^2.1.0",
     "fs-exists-cached": "^1.0.0",
diff --git a/packages/gatsby/package.json b/packages/gatsby/package.json
index 17711be1144ba..91cbaf9c7e540 100644
--- a/packages/gatsby/package.json
+++ b/packages/gatsby/package.json
@@ -45,7 +45,7 @@
     "compression": "^1.7.4",
     "convert-hrtime": "^2.0.0",
     "copyfiles": "^1.2.0",
-    "core-js": "^2.6.9",
+    "core-js": "^2.6.10",
     "cors": "^2.8.5",
     "css-loader": "^1.0.1",
     "debug": "^3.2.6",
diff --git a/yarn.lock b/yarn.lock
index 7a4d787accc84..89711a98597b4 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6123,7 +6123,7 @@ core-js-pure@3.1.3:
   resolved "https://registry.yarnpkg.com/core-js-pure/-/core-js-pure-3.1.3.tgz#4c90752d5b9471f641514f3728f51c1e0783d0b5"
   integrity sha512-k3JWTrcQBKqjkjI0bkfXS0lbpWPxYuHWfMMjC1VDmzU4Q58IwSbuXSo99YO/hUHlw/EB4AlfA2PVxOGkrIq6dA==
 
-core-js@2, core-js@^2.4.0, core-js@^2.4.1, core-js@^2.5.0, core-js@^2.5.7, core-js@^2.6.5, core-js@^2.6.9:
+core-js@2, core-js@^2.4.0, core-js@^2.4.1, core-js@^2.5.0, core-js@^2.5.7, core-js@^2.6.5:
   version "2.6.9"
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.6.9.tgz#6b4b214620c834152e179323727fc19741b084f2"
   integrity sha512-HOpZf6eXmnl7la+cUdMnLvUxKNqLUzJvgIziQ0DiF3JwSImNphIqdGqzj6hIKyX04MmV0poclQ7+wjWvxQyR2A==
@@ -6132,6 +6132,11 @@ core-js@^1.0.0:
   version "1.2.7"
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-1.2.7.tgz#652294c14651db28fa93bd2d5ff2983a4f08c636"
 
+core-js@^2.6.10:
+  version "2.6.10"
+  resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.6.10.tgz#8a5b8391f8cc7013da703411ce5b585706300d7f"
+  integrity sha512-I39t74+4t+zau64EN1fE5v2W31Adtc/REhzWN+gWRRXg6WH5qAsZm62DHpQ1+Yhe4047T55jvzz7MUqF/dBBlA==
+
 core-js@^3.2.1:
   version "3.2.1"
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.2.1.tgz#cd41f38534da6cc59f7db050fe67307de9868b09"