diff --git a/package.json b/package.json
index f259903..3705439 100644
--- a/package.json
+++ b/package.json
@@ -8,7 +8,7 @@
     "test": "jest"
   },
   "dependencies": {
-    "flat": "2.0.1"
+    "flat": "5.0.2"
   },
   "devDependencies": {
     "babel-jest": "19.0.0",
diff --git a/yarn.lock b/yarn.lock
index aa9c570..6324521 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1486,12 +1486,10 @@ find-up@^2.1.0:
   dependencies:
     locate-path "^2.0.0"
 
-flat@2.0.1:
-  version "2.0.1"
-  resolved "https://registry.yarnpkg.com/flat/-/flat-2.0.1.tgz#70e29188a74be0c3c89409eed1fa9577907ae32f"
-  integrity sha1-cOKRiKdL4MPIlAnu0fqVd5B64y8=
-  dependencies:
-    is-buffer "~1.1.2"
+flat@5.0.2:
+  version "5.0.2"
+  resolved "https://registry.yarnpkg.com/flat/-/flat-5.0.2.tgz#8ca6fe332069ffa9d324c327198c598259ceb241"
+  integrity sha512-b6suED+5/3rTpUBdG1gupIl8MPFCAMA0QXwmljLhvCUKcUvdE4gWky9zpuGCcXHOsz4J9wPGNWq6OKpmIzz3hQ==
 
 for-in@^1.0.1:
   version "1.0.2"
@@ -1794,7 +1792,7 @@ is-arrayish@^0.2.1:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/is-arrayish/-/is-arrayish-0.2.1.tgz#77c99840527aa8ecb1a8ba697b80645a7a926a9d"
 
-is-buffer@^1.0.2, is-buffer@~1.1.2:
+is-buffer@^1.0.2:
   version "1.1.5"
   resolved "https://registry.yarnpkg.com/is-buffer/-/is-buffer-1.1.5.tgz#1f3b26ef613b214b88cbca23cc6c01d87961eecc"