diff --git a/packages/examples/package.json b/packages/examples/package.json
index f5d78797..bbab913a 100644
--- a/packages/examples/package.json
+++ b/packages/examples/package.json
@@ -32,7 +32,7 @@
     "@ngrx/store": "^8.0.0",
     "@ngrx/store-devtools": "^8.0.0",
     "angular2-hotkeys": "^2.1.2",
-    "core-js": "^2.5.4",
+    "core-js": "^3.12.1",
     "faker": "^4.1.0",
     "immer": "^3.1.2",
     "immutable": "4.0.0-rc.12",
diff --git a/yarn.lock b/yarn.lock
index 9097d452..6f3ec8bb 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4262,16 +4262,21 @@ core-js-compat@^3.1.1:
     browserslist "^4.6.6"
     semver "^6.3.0"
 
-core-js@3.2.1, core-js@^3.0.0:
+core-js@3.2.1:
   version "3.2.1"
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.2.1.tgz#cd41f38534da6cc59f7db050fe67307de9868b09"
   integrity sha512-Qa5XSVefSVPRxy2XfUC13WbvqkxhkwB3ve+pgCQveNgYzbM/UxZeu1dcOX/xr4UmfUd+muuvsaxilQzCyUurMw==
 
-core-js@^2.4.0, core-js@^2.5.4:
+core-js@^2.4.0:
   version "2.6.9"
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.6.9.tgz#6b4b214620c834152e179323727fc19741b084f2"
   integrity sha512-HOpZf6eXmnl7la+cUdMnLvUxKNqLUzJvgIziQ0DiF3JwSImNphIqdGqzj6hIKyX04MmV0poclQ7+wjWvxQyR2A==
 
+core-js@^3.0.0, core-js@^3.12.1:
+  version "3.12.1"
+  resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.12.1.tgz#6b5af4ff55616c08a44d386f1f510917ff204112"
+  integrity sha512-Ne9DKPHTObRuB09Dru5AjwKjY4cJHVGu+y5f7coGn1E9Grkc3p2iBwE9AI/nJzsE29mQF7oq+mhYYRqOMFN1Bw==
+
 core-js@~2.3.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.3.0.tgz#fab83fbb0b2d8dc85fa636c4b9d34c75420c6d65"