diff --git a/package-lock.json b/package-lock.json
index c482ba8..370fd8f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1939,12 +1939,9 @@
       }
     },
     "flat": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/flat/-/flat-2.0.1.tgz",
-      "integrity": "sha1-cOKRiKdL4MPIlAnu0fqVd5B64y8=",
-      "requires": {
-        "is-buffer": "~1.1.2"
-      }
+      "version": "5.0.2",
+      "resolved": "https://registry.npmjs.org/flat/-/flat-5.0.2.tgz",
+      "integrity": "sha512-b6suED+5/3rTpUBdG1gupIl8MPFCAMA0QXwmljLhvCUKcUvdE4gWky9zpuGCcXHOsz4J9wPGNWq6OKpmIzz3hQ=="
     },
     "flat-cache": {
       "version": "2.0.1",
@@ -2485,7 +2482,8 @@
     "is-buffer": {
       "version": "1.1.6",
       "resolved": "https://registry.npmjs.org/is-buffer/-/is-buffer-1.1.6.tgz",
-      "integrity": "sha512-NcdALwpXkTm5Zvvbk7owOUSvVvBKDgKP5/ewfXEznmQFfs4ZRmanOeKBTjRVjka3QFoN6XJ+9F3USqfHqTaU5w=="
+      "integrity": "sha512-NcdALwpXkTm5Zvvbk7owOUSvVvBKDgKP5/ewfXEznmQFfs4ZRmanOeKBTjRVjka3QFoN6XJ+9F3USqfHqTaU5w==",
+      "dev": true
     },
     "is-callable": {
       "version": "1.1.5",
diff --git a/package.json b/package.json
index 42256da..9f10b63 100644
--- a/package.json
+++ b/package.json
@@ -31,7 +31,7 @@
   },
   "homepage": "https://www.sematext.com",
   "dependencies": {
-    "flat": "^2.0.0",
+    "flat": "^5.0.2",
     "logsene-js": "^1.1.73",
     "winston": "^3.2.1",
     "winston-compat": "^0.1.5",