diff --git a/bucket/concourse-fly.json b/bucket/concourse-fly.json
index 029a7aa70d..94a3baf6e6 100644
--- a/bucket/concourse-fly.json
+++ b/bucket/concourse-fly.json
@@ -1,12 +1,12 @@
 {
-    "version": "7.3.2",
+    "version": "6.7.7",
     "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/v7.3.2/fly-7.3.2-windows-amd64.zip",
-            "hash": "sha1:5858c6748f35061cedceedcea68d0a8d199fa95e"
+            "url": "https://github.com/concourse/concourse/releases/download/v6.7.7/fly-6.7.7-windows-amd64.zip",
+            "hash": "sha1:03ec2eb4bc0dca071be7f80cb492b97fdb89ab90"
         }
     },
     "bin": "fly.exe",