diff --git a/packages/processors/package.json b/packages/processors/package.json
index 77d96608..2ae4030d 100644
--- a/packages/processors/package.json
+++ b/packages/processors/package.json
@@ -15,7 +15,7 @@
     "babel-loader": "^8.0.6",
     "cssnano": "^4.1.8",
     "cssnano-browser": "^4.0.5",
-    "flat": "^4.0.0",
+    "flat": "^5.0.1",
     "lodash": "^4.17.20",
     "postcss": "^7.0.36",
     "postcss-custom-properties": "^7.0.0",
diff --git a/yarn.lock b/yarn.lock
index 34b92901..985bf51b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -7509,12 +7509,10 @@ flat-cache@^3.0.4:
     flatted "^3.1.0"
     rimraf "^3.0.2"
 
-flat@^4.0.0:
-  version "4.1.1"
-  resolved "https://registry.yarnpkg.com/flat/-/flat-4.1.1.tgz#a392059cc382881ff98642f5da4dde0a959f309b"
-  integrity sha512-FmTtBsHskrU6FJ2VxCnsDb84wu9zhmO3cUX2kGFb5tuwhfXxGciiT0oRY+cck35QmG+NmGh5eLz6lLCpWTqwpA==
-  dependencies:
-    is-buffer "~2.0.3"
+flat@^5.0.1:
+  version "5.0.1"
+  resolved "https://registry.yarnpkg.com/flat/-/flat-5.0.1.tgz#ed5f357d6c9e754d1fdc392b1d570426f8e013c2"
+  integrity sha512-DUYDWLlMhV9qvhjbgmhDQ3ZycXmoOKzrj4KN0+5BEat5SqTlXcXzxNgwiSN1UQHA5Z0BsgYYPelhQHVhpfqaVA==
 
 flatted@^3.1.0:
   version "3.1.1"
@@ -9207,7 +9205,7 @@ is-buffer@^1.1.4, is-buffer@^1.1.5:
   resolved "https://registry.yarnpkg.com/is-buffer/-/is-buffer-1.1.6.tgz#efaa2ea9daa0d7ab2ea13a97b2b8ad51fefbe8be"
   integrity sha512-NcdALwpXkTm5Zvvbk7owOUSvVvBKDgKP5/ewfXEznmQFfs4ZRmanOeKBTjRVjka3QFoN6XJ+9F3USqfHqTaU5w==
 
-is-buffer@^2.0.0, is-buffer@~2.0.3:
+is-buffer@^2.0.0:
   version "2.0.5"
   resolved "https://registry.yarnpkg.com/is-buffer/-/is-buffer-2.0.5.tgz#ebc252e400d22ff8d77fa09888821a24a658c191"
   integrity sha512-i2R6zNFDwgEHJyQUtJEk0XFi1i0dPFn/oqjK3/vPCcDeJvW5NQ83V8QbicfF1SupOaB0h8ntgBC2YiE7dfyctQ==