diff --git a/bucket/concourse-fly.json b/bucket/concourse-fly.json
index 9f25ee2d6e..fe15a4f3a3 100644
--- a/bucket/concourse-fly.json
+++ b/bucket/concourse-fly.json
@@ -1,10 +1,10 @@
 {
-    "version": "5.6.0",
+    "version": "5.5.4",
     "description": "Concourse CI/CD manager and controller.",
     "license": "Apache-2.0",
     "homepage": "https://concourse-ci.org/fly.html",
-    "url": "https://github.com/concourse/concourse/releases/download/v5.6.0/fly-5.6.0-windows-amd64.zip",
-    "hash": "sha1:6b4a736b0cc414026c19fd9f1014f9719752ddd5",
+    "url": "https://github.com/concourse/concourse/releases/download/v5.5.4/fly-5.5.4-windows-amd64.zip",
+    "hash": "sha1:02ab3ad3d9a32538e394b558cefdc44bbc3fcdcc",
     "bin": "fly.exe",
     "checkver": {
         "github": "https://github.com/concourse/concourse"