diff --git a/bucket/flow.json b/bucket/flow.json
index 36d64d7b23..3769cea147 100644
--- a/bucket/flow.json
+++ b/bucket/flow.json
@@ -1,12 +1,12 @@
 {
-    "version": "0.185.2",
+    "version": "0.186.0",
     "description": "A static type checker for JavaScript code",
     "homepage": "https://flowtype.org/",
     "license": "MIT",
     "architecture": {
         "64bit": {
-            "url": "https://github.com/facebook/flow/releases/download/v0.185.2/flow-win64-v0.185.2.zip",
-            "hash": "9b4224c1e74b2675245e1f47214b527a287862dfcdcf9839bdd6b50170d174db"
+            "url": "https://github.com/facebook/flow/releases/download/v0.186.0/flow-win64-v0.186.0.zip",
+            "hash": "42dd77c9fbe8f455e3b3a715436192aa281c398de22e07c32937d411b477a248"
         }
     },
     "extract_dir": "flow",