diff --git a/package.json b/package.json
index 48b3ca66..54988529 100644
--- a/package.json
+++ b/package.json
@@ -49,7 +49,7 @@
     "eslint-plugin-prettier": "^3.3.1",
     "eslint-plugin-simple-import-sort": "^7.0.0",
     "flow-bin": "^0.195.0",
-    "flowgen": "^1.20.1",
+    "flowgen": "^1.21.0",
     "gh-pages": "^3.2.3",
     "mocha": "^9.2.0",
     "prettier": "^2.2.1",
diff --git a/yarn.lock b/yarn.lock
index e8188d40..de41cbfa 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1326,10 +1326,10 @@ flow-bin@^0.195.0:
   resolved "https://registry.yarnpkg.com/flow-bin/-/flow-bin-0.195.0.tgz#67075596cc4ef2560ec001d5c781b07777f05f81"
   integrity sha512-VGIwDVxcZRLbc2k8dsMcdHHjrPDzr1frqGvpRdYpdnpK/qi4heHFGDU747NElcsNiqyzs+G8gaZmhxZiBvwyUg==
 
-flowgen@^1.20.1:
-  version "1.20.1"
-  resolved "https://registry.yarnpkg.com/flowgen/-/flowgen-1.20.1.tgz#336871d59a36980fbe2c3de553bd558f06a46e24"
-  integrity sha512-Wus3KAhsOF7CiZGkBKZawf0AJXe06Wot6UGQt7h9QS6MBtBkFgG30wTAgpy1byA3FKYb059vO341XtN8LUhenQ==
+flowgen@^1.21.0:
+  version "1.21.0"
+  resolved "https://registry.yarnpkg.com/flowgen/-/flowgen-1.21.0.tgz#f7ecb693892c4bd069492dbf77db561bbb451aa9"
+  integrity sha512-pFNFFyMLRmW6njhOIm5TrbGUDTv64aujmys2KrkRE2NYD8sXwJUyicQRwU5SPRBRJnFSD/FNlnHo2NnHI5eJSw==
   dependencies:
     "@babel/code-frame" "^7.16.7"
     "@babel/highlight" "^7.16.7"