diff --git a/bucket/flow.json b/bucket/flow.json
index e02c2132b2..4f76caae84 100644
--- a/bucket/flow.json
+++ b/bucket/flow.json
@@ -1,12 +1,12 @@
 {
-    "version": "0.190.1",
+    "version": "0.191.0",
     "description": "A static type checker for JavaScript code",
     "homepage": "https://flowtype.org/",
     "license": "MIT",
     "architecture": {
         "64bit": {
-            "url": "https://github.com/facebook/flow/releases/download/v0.190.1/flow-win64-v0.190.1.zip",
-            "hash": "60e3b67bac6044d904020d23824361345ad1701fefaba5efd3992b291b46e6d1"
+            "url": "https://github.com/facebook/flow/releases/download/v0.191.0/flow-win64-v0.191.0.zip",
+            "hash": "939354b24e71e9eedbf8b305c4035ea3c0ba6e920281770bb25b464f567a247a"
         }
     },
     "extract_dir": "flow",