diff --git a/package-lock.json b/package-lock.json
index d2a393ea5b..e5dfcc8809 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -20,7 +20,7 @@
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         "classlist.js": "https://github.com/eligrey/classList.js/archive/1.2.20180112.tar.gz",
         "classnames": "2.3.2",
-        "core-js": "3.25.5",
+        "core-js": "3.26.0",
         "date-fns": "2.29.3",
         "dompurify": "2.4.0",
         "epubjs": "0.4.2",
@@ -4927,9 +4927,9 @@
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     },
     "node_modules/core-js": {
-      "version": "3.25.5",
-      "resolved": "https://registry.npmjs.org/core-js/-/core-js-3.25.5.tgz",
-      "integrity": "sha512-nbm6eZSjm+ZuBQxCUPQKQCoUEfFOXjUZ8dTTyikyKaWrTYmAVbykQfwsKE5dBK88u3QCkCrzsx/PPlKfhsvgpw==",
+      "version": "3.26.0",
+      "resolved": "https://registry.npmjs.org/core-js/-/core-js-3.26.0.tgz",
+      "integrity": "sha512-+DkDrhoR4Y0PxDz6rurahuB+I45OsEUv8E1maPTB6OuHRohMMcznBq9TMpdpDMm/hUPob/mJJS3PqgbHpMTQgw==",
       "hasInstallScript": true,
       "funding": {
         "type": "opencollective",
@@ -22320,9 +22320,9 @@
       }
     },
     "core-js": {
-      "version": "3.25.5",
-      "resolved": "https://registry.npmjs.org/core-js/-/core-js-3.25.5.tgz",
-      "integrity": "sha512-nbm6eZSjm+ZuBQxCUPQKQCoUEfFOXjUZ8dTTyikyKaWrTYmAVbykQfwsKE5dBK88u3QCkCrzsx/PPlKfhsvgpw=="
+      "version": "3.26.0",
+      "resolved": "https://registry.npmjs.org/core-js/-/core-js-3.26.0.tgz",
+      "integrity": "sha512-+DkDrhoR4Y0PxDz6rurahuB+I45OsEUv8E1maPTB6OuHRohMMcznBq9TMpdpDMm/hUPob/mJJS3PqgbHpMTQgw=="
     },
     "core-js-compat": {
       "version": "3.25.3",
diff --git a/package.json b/package.json
index a30ededbfb..49c010222a 100644
--- a/package.json
+++ b/package.json
@@ -78,7 +78,7 @@
     "blurhash": "2.0.3",
     "classlist.js": "https://github.com/eligrey/classList.js/archive/1.2.20180112.tar.gz",
     "classnames": "2.3.2",
-    "core-js": "3.25.5",
+    "core-js": "3.26.0",
     "date-fns": "2.29.3",
     "dompurify": "2.4.0",
     "epubjs": "0.4.2",