diff --git a/package.json b/package.json
index 6f062c0646..6ff397b72b 100644
--- a/package.json
+++ b/package.json
@@ -141,7 +141,7 @@
     "conventional-changelog": "^3.0.0",
     "conventional-commits-parser": "^3.0.0",
     "copy-webpack-plugin": "6.3.2",
-    "core-js": "3.8.2",
+    "core-js": "3.8.3",
     "critters": "0.0.6",
     "css-loader": "5.0.1",
     "cssnano": "4.1.10",
diff --git a/packages/angular_devkit/build_angular/package.json b/packages/angular_devkit/build_angular/package.json
index e0f02c2f0a..d29d8a5e7b 100644
--- a/packages/angular_devkit/build_angular/package.json
+++ b/packages/angular_devkit/build_angular/package.json
@@ -27,7 +27,7 @@
     "caniuse-lite": "^1.0.30001032",
     "circular-dependency-plugin": "5.2.2",
     "copy-webpack-plugin": "6.3.2",
-    "core-js": "3.8.2",
+    "core-js": "3.8.3",
     "critters": "0.0.6",
     "css-loader": "5.0.1",
     "cssnano": "4.1.10",
diff --git a/yarn.lock b/yarn.lock
index 878ab28619..80d78a685f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3843,10 +3843,10 @@ core-js-compat@^3.8.0:
     browserslist "^4.16.0"
     semver "7.0.0"
 
-core-js@3.8.2:
-  version "3.8.2"
-  resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.8.2.tgz#0a1fd6709246da9ca8eff5bb0cbd15fba9ac7044"
-  integrity sha512-FfApuSRgrR6G5s58casCBd9M2k+4ikuu4wbW6pJyYU7bd9zvFc9qf7vr5xmrZOhT9nn+8uwlH1oRR9jTnFoA3A==
+core-js@3.8.3:
+  version "3.8.3"
+  resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.8.3.tgz#c21906e1f14f3689f93abcc6e26883550dd92dd0"
+  integrity sha512-KPYXeVZYemC2TkNEkX/01I+7yd+nX3KddKwZ1Ww7SKWdI2wQprSgLmrTddT8nw92AjEklTsPBoSdQBhbI1bQ6Q==
 
 core-util-is@1.0.2, core-util-is@~1.0.0:
   version "1.0.2"