diff --git a/package-lock.json b/package-lock.json
index f7e1dad..97c6a10 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1347,12 +1347,9 @@
       }
     },
     "flat": {
-      "version": "4.1.0",
-      "resolved": "https://registry.npmjs.org/flat/-/flat-4.1.0.tgz",
-      "integrity": "sha512-Px/TiLIznH7gEDlPXcUD4KnBusa6kR6ayRUVcnEAbreRIuhkqow/mun59BuRXwoYk7ZQOLW1ZM05ilIvK38hFw==",
-      "requires": {
-        "is-buffer": "~2.0.3"
-      }
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/flat/-/flat-5.0.1.tgz",
+      "integrity": "sha512-DUYDWLlMhV9qvhjbgmhDQ3ZycXmoOKzrj4KN0+5BEat5SqTlXcXzxNgwiSN1UQHA5Z0BsgYYPelhQHVhpfqaVA=="
     },
     "flat-cache": {
       "version": "1.3.2",
@@ -1681,11 +1678,6 @@
       "integrity": "sha1-d8mYQFJ6qOyxqLppe4BkWnqSap0=",
       "dev": true
     },
-    "is-buffer": {
-      "version": "2.0.3",
-      "resolved": "https://registry.npmjs.org/is-buffer/-/is-buffer-2.0.3.tgz",
-      "integrity": "sha512-U15Q7MXTuZlrbymiz95PJpZxu8IlipAp4dtS3wOdgPXx3mqBnslrWU14kxfHB+Py/+2PVKSr37dMAgM2A4uArw=="
-    },
     "is-builtin-module": {
       "version": "1.0.0",
       "resolved": "http://registry.npmjs.org/is-builtin-module/-/is-builtin-module-1.0.0.tgz",
diff --git a/package.json b/package.json
index 07ae3af..2f83846 100644
--- a/package.json
+++ b/package.json
@@ -38,7 +38,7 @@
     "depnest": "^1.0.2",
     "emoji-named-characters": "^1.0.2",
     "es2040": "^1.2.4",
-    "flat": "^4.0.0",
+    "flat": "^5.0.1",
     "hashlru": "^2.2.0",
     "html-escape": "^2.0.0",
     "human-time": "0.0.1",