diff --git a/bucket/flow.json b/bucket/flow.json
index 90dcbe9e29..b41615c339 100644
--- a/bucket/flow.json
+++ b/bucket/flow.json
@@ -1,12 +1,12 @@
 {
-    "version": "0.155.0",
+    "version": "0.155.1",
     "description": "A static type checker for JavaScript code",
     "homepage": "https://flowtype.org/",
     "license": "MIT",
     "architecture": {
         "64bit": {
-            "url": "https://github.com/facebook/flow/releases/download/v0.155.0/flow-win64-v0.155.0.zip",
-            "hash": "01abf802376695bd043e42f5250fcc9f90699da31d73b43a181fa09b9ba37cd3"
+            "url": "https://github.com/facebook/flow/releases/download/v0.155.1/flow-win64-v0.155.1.zip",
+            "hash": "d975edf40ef13773dd5ef2c40c7e72fa9cb6e3fafd62d8d8601e26df64e6b2f0"
         }
     },
     "extract_dir": "flow",