diff --git a/bucket/flow.json b/bucket/flow.json
index 0ddb55a2f2..be88721684 100644
--- a/bucket/flow.json
+++ b/bucket/flow.json
@@ -1,12 +1,12 @@
 {
-    "version": "0.170.0",
+    "version": "0.171.0",
     "description": "A static type checker for JavaScript code",
     "homepage": "https://flowtype.org/",
     "license": "MIT",
     "architecture": {
         "64bit": {
-            "url": "https://github.com/facebook/flow/releases/download/v0.170.0/flow-win64-v0.170.0.zip",
-            "hash": "803224b7818441438c77330d94b23d52f71ce098070f01e450f7b6eaa329a50e"
+            "url": "https://github.com/facebook/flow/releases/download/v0.171.0/flow-win64-v0.171.0.zip",
+            "hash": "0a2f21ea7c8619415b622eaffdef65f278fbd46d23c4f156ddf318608d9578af"
         }
     },
     "extract_dir": "flow",