diff --git a/bucket/flow.json b/bucket/flow.json
index ab21d14dac..db605b9d1e 100644
--- a/bucket/flow.json
+++ b/bucket/flow.json
@@ -1,12 +1,12 @@
 {
-    "version": "0.165.1",
+    "version": "0.166.0",
     "description": "A static type checker for JavaScript code",
     "homepage": "https://flowtype.org/",
     "license": "MIT",
     "architecture": {
         "64bit": {
-            "url": "https://github.com/facebook/flow/releases/download/v0.165.1/flow-win64-v0.165.1.zip",
-            "hash": "58610d12192819e36b12584ce1ad90f8a7b6d9723cd188f5b47ebc754e1f651e"
+            "url": "https://github.com/facebook/flow/releases/download/v0.166.0/flow-win64-v0.166.0.zip",
+            "hash": "86ed544dbc84d6f1e23d035de5c37410009322504682894c3e5d07152b61462a"
         }
     },
     "extract_dir": "flow",