diff --git a/bucket/flow.json b/bucket/flow.json
index 9334ac3226..74e000e073 100644
--- a/bucket/flow.json
+++ b/bucket/flow.json
@@ -1,12 +1,12 @@
 {
-    "version": "0.290.0",
+    "version": "0.291.0",
     "description": "A static type checker for JavaScript code",
     "homepage": "https://flow.org/",
     "license": "MIT",
     "architecture": {
         "64bit": {
-            "url": "https://github.com/facebook/flow/releases/download/v0.290.0/flow-win64-v0.290.0.zip",
-            "hash": "a3f41afe4cfc8db4e26e861f673f1b0ffcbb87f18b9aae68935f922cba3bf669"
+            "url": "https://github.com/facebook/flow/releases/download/v0.291.0/flow-win64-v0.291.0.zip",
+            "hash": "7d8697a2adaa6e5457aba50c2cf3c6202fc05aa789692e312f19e028acb03190"
         }
     },
     "extract_dir": "flow",