diff --git a/package.json b/package.json
index 813ec66..00db2a9 100644
--- a/package.json
+++ b/package.json
@@ -45,7 +45,7 @@
 		"eslint-plugin-import": "^2.17.3",
 		"eventsource-polyfill": "^0.9.6",
 		"expect": "^24.8.0",
-		"flow-bin": "^0.116.1",
+		"flow-bin": "^0.121.0",
 		"jest": "^24.8.0",
 		"webpack": "^4.34.0",
 		"webpack-bundle-analyzer": "^3.3.2"
diff --git a/yarn.lock b/yarn.lock
index eef43e8..4537adc 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3078,10 +3078,10 @@ flatted@^2.0.0:
   resolved "https://registry.yarnpkg.com/flatted/-/flatted-2.0.0.tgz#55122b6536ea496b4b44893ee2608141d10d9916"
   integrity sha512-R+H8IZclI8AAkSBRQJLVOsxwAoHd6WC40b4QTNWIjzAa6BXOBfQcM587MXDTVPeYaopFNWHUFLx7eNmHDSxMWg==
 
-flow-bin@^0.116.1:
-  version "0.116.1"
-  resolved "https://registry.yarnpkg.com/flow-bin/-/flow-bin-0.116.1.tgz#797964df40f2e32cad7e334583535105161434f4"
-  integrity sha512-ZSvjx+S4PtDNKcA4U0Afm8sHzzSlTdBBT//N2AltcaN6M/gyxAOGXjC6VkMMGqKWttw+5Psq6fU+RIvD1q/ocA==
+flow-bin@^0.121.0:
+  version "0.121.0"
+  resolved "https://registry.yarnpkg.com/flow-bin/-/flow-bin-0.121.0.tgz#e206bdc3d510277f9a847920540f72c49e87c130"
+  integrity sha512-QYRMs+AoMLj/OTaSo9+8c3kzM/u8YgvfrInp0qzhtzC02Sc2jb3BV/QZWZGjPo+XK3twyyqXrcI3s8MuL1UQRg==
 
 flush-write-stream@^1.0.0:
   version "1.1.1"