diff --git a/package-lock.json b/package-lock.json
index 0f3bf6c..6b58f4b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4722,9 +4722,9 @@
       }
     },
     "core-js": {
-      "version": "2.6.11",
-      "resolved": "https://registry.npmjs.org/core-js/-/core-js-2.6.11.tgz",
-      "integrity": "sha512-5wjnpaT/3dV+XB4borEsnAYQchn00XSgTAWKDkEqv+K8KevjbzmofK6hfJ9TZIlpj2N0xQpazy7PiRQiWHqzWg=="
+      "version": "2.6.12",
+      "resolved": "https://registry.npmjs.org/core-js/-/core-js-2.6.12.tgz",
+      "integrity": "sha512-Kb2wC0fvsWfQrgk8HU5lW6U/Lcs8+9aaYcy4ZFc6DDlo4nZ7n70dEgE5rtR0oG6ufKDUnrwfWL1mXR5ljDatrQ=="
     },
     "core-js-compat": {
       "version": "3.6.4",
diff --git a/package.json b/package.json
index f27f1b0..21c0d61 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
     "@ckeditor/ckeditor5-angular": "^1.2.3",
     "@ckeditor/ckeditor5-build-classic": "github:mailchain/ckeditor5-build-classic#mailchain_stable",
     "bootstrap": "^4.5.1",
-    "core-js": "^2.6.11",
+    "core-js": "^2.6.12",
     "ethereum-blockies-base64": "^1.0.2",
     "font-awesome": "^4.7.0",
     "glyphicons-halflings": "^1.9.1",