diff --git a/package.json b/package.json
index 3eb13af..3aa9dfe 100644
--- a/package.json
+++ b/package.json
@@ -31,7 +31,7 @@
     "extract-text-webpack-plugin": "3.0.2",
     "file-loader": "1.1.5",
     "file-saver": "^1.3.3",
-    "flat": "^4.0.0",
+    "flat": "^5.0.1",
     "fs-extra": "3.0.1",
     "html-webpack-plugin": "2.29.0",
     "java-class-tools": "^1.3.2",
diff --git a/yarn.lock b/yarn.lock
index d885664..9623d40 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2944,11 +2944,10 @@ flat-cache@^1.2.1:
     graceful-fs "^4.1.2"
     write "^0.2.1"
 
-flat@^4.0.0:
-  version "4.1.0"
-  resolved "https://registry.yarnpkg.com/flat/-/flat-4.1.0.tgz#090bec8b05e39cba309747f1d588f04dbaf98db2"
-  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==
 
 flatten@^1.0.2:
   version "1.0.2"
@@ -3608,10 +3607,6 @@ is-buffer@^1.1.5:
   version "1.1.6"
   resolved "https://registry.yarnpkg.com/is-buffer/-/is-buffer-1.1.6.tgz#efaa2ea9daa0d7ab2ea13a97b2b8ad51fefbe8be"
 
-is-buffer@~2.0.3:
-  version "2.0.3"
-  resolved "https://registry.yarnpkg.com/is-buffer/-/is-buffer-2.0.3.tgz#4ecf3fcf749cbd1e472689e109ac66261a25e725"
-
 is-builtin-module@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/is-builtin-module/-/is-builtin-module-1.0.0.tgz#540572d34f7ac3119f8f76c30cbc1b1e037affbe"
@@ -5149,7 +5144,7 @@ once@^1.3.0, once@^1.4.0:
 
 onetime@^1.0.0:
   version "1.1.0"
-  resolved "http://registry.npmjs.org/onetime/-/onetime-1.1.0.tgz#a1f7838f8314c516f05ecefcbc4ccfe04b4ed789"
+  resolved "https://registry.npmjs.org/onetime/-/onetime-1.1.0.tgz#a1f7838f8314c516f05ecefcbc4ccfe04b4ed789"
 
 onetime@^2.0.0:
   version "2.0.1"