diff --git a/bucket/concourse-fly.json b/bucket/concourse-fly.json
index 4c5e434e59..da5392ff8b 100644
--- a/bucket/concourse-fly.json
+++ b/bucket/concourse-fly.json
@@ -1,12 +1,12 @@
 {
-    "version": "6.3.0",
+    "version": "6.4.0",
     "description": "Concourse CI/CD manager and controller",
     "homepage": "https://concourse-ci.org/fly.html",
     "license": "Apache-2.0",
     "architecture": {
         "64bit": {
-            "url": "https://github.com/concourse/concourse/releases/download/v6.3.0/fly-6.3.0-windows-amd64.zip",
-            "hash": "sha1:35aaebce930fe925a580c74f5bd4c173c22e9b38"
+            "url": "https://github.com/concourse/concourse/releases/download/v6.4.0/fly-6.4.0-windows-amd64.zip",
+            "hash": "sha1:0acbf9b5d3003ecd0a082213a2fed728d7147964"
         }
     },
     "bin": "fly.exe",