diff --git a/bucket/flow.json b/bucket/flow.json
index 78f6db45f4..0ddb55a2f2 100644
--- a/bucket/flow.json
+++ b/bucket/flow.json
@@ -1,12 +1,12 @@
 {
-    "version": "0.169.0",
+    "version": "0.170.0",
     "description": "A static type checker for JavaScript code",
     "homepage": "https://flowtype.org/",
     "license": "MIT",
     "architecture": {
         "64bit": {
-            "url": "https://github.com/facebook/flow/releases/download/v0.169.0/flow-win64-v0.169.0.zip",
-            "hash": "58cef0ab654b9c7a02e8009d863538600825cdac1af4c535bb91f88069e9cffc"
+            "url": "https://github.com/facebook/flow/releases/download/v0.170.0/flow-win64-v0.170.0.zip",
+            "hash": "803224b7818441438c77330d94b23d52f71ce098070f01e450f7b6eaa329a50e"
         }
     },
     "extract_dir": "flow",