diff --git a/bucket/flow.json b/bucket/flow.json
index ba1e82a6ef..e40c9b2c97 100644
--- a/bucket/flow.json
+++ b/bucket/flow.json
@@ -1,12 +1,12 @@
 {
-    "version": "0.276.0",
+    "version": "0.277.1",
     "description": "A static type checker for JavaScript code",
     "homepage": "https://flow.org/",
     "license": "MIT",
     "architecture": {
         "64bit": {
-            "url": "https://github.com/facebook/flow/releases/download/v0.276.0/flow-win64-v0.276.0.zip",
-            "hash": "983cde8f8f7fd67808ce46381f14a36048ac8a41b383e6d0dbe083082c81d724"
+            "url": "https://github.com/facebook/flow/releases/download/v0.277.1/flow-win64-v0.277.1.zip",
+            "hash": "aa9084d583e177b7a1b3bedb8379476587fd3fc3fd465760cc20e8ff03c770eb"
         }
     },
     "extract_dir": "flow",