diff --git a/package.json b/package.json
index b82e4cf53f..6185a47e3d 100644
--- a/package.json
+++ b/package.json
@@ -56,7 +56,7 @@
     "@fontsource/noto-sans-sc": "^4.1.0",
     "blurhash": "^1.1.3",
     "classlist.js": "https://github.com/eligrey/classList.js/archive/1.2.20180112.tar.gz",
-    "core-js": "^3.8.2",
+    "core-js": "^3.8.3",
     "date-fns": "^2.16.1",
     "epubjs": "^0.3.85",
     "fast-text-encoding": "^1.0.3",
diff --git a/yarn.lock b/yarn.lock
index 9a28b77d43..f2f39424f4 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2262,10 +2262,10 @@ core-js@^2.4.0:
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.6.11.tgz#38831469f9922bded8ee21c9dc46985e0399308c"
   integrity sha512-5wjnpaT/3dV+XB4borEsnAYQchn00XSgTAWKDkEqv+K8KevjbzmofK6hfJ9TZIlpj2N0xQpazy7PiRQiWHqzWg==
 
-core-js@^3.6.5, 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@^3.6.5, 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@~1.0.0:
   version "1.0.2"