Running nixpkgs-update (https://nix-community.org/update-bot/) with UPDATE_INFO: cedar 0 -> 1
attrpath: cedar
Checking auto update branch...
[version] 
[version] generic version rewriter does not support multiple hashes
[rustCrateVersion] 
[rustCrateVersion] skipping because derivation has updateScript
[golangModuleVersion] 
[golangModuleVersion] Not a buildGoModule package with vendorHash
[npmDepsVersion] 
[npmDepsVersion] No npmDepsHash
[updateScript] 
[updateScript] Success
[updateScript] this derivation will be built:
  /nix/store/8an8491mgzq880if3i93bz5jmcivhcwc-packages.json.drv
building '/nix/store/8an8491mgzq880if3i93bz5jmcivhcwc-packages.json.drv'...

Going to be running update for following packages:
 - cedar-4.5.1

Press Enter key to continue...
Running update for:
Enqueuing group of 1 packages
 - cedar-4.5.1: UPDATING ...
 - cedar-4.5.1: DONE.

Packages updated!

Diff after rewrites:
diff --git a/pkgs/by-name/ce/cedar/package.nix b/pkgs/by-name/ce/cedar/package.nix
index 2f0b387a65a3..3da7e461affd 100644
--- a/pkgs/by-name/ce/cedar/package.nix
+++ b/pkgs/by-name/ce/cedar/package.nix
@@ -9,16 +9,16 @@
 
 rustPlatform.buildRustPackage (finalAttrs: {
   pname = "cedar";
-  version = "4.5.1";
+  version = "4.11.0";
 
   src = fetchFromGitHub {
     owner = "cedar-policy";
     repo = "cedar";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-f8d7KL1DzEfJqEJ5uwwOJCgePE/frOXIFcXuoybIp2U=";
+    hash = "sha256-9IJ/AMWOtkNAoBbzTKqUZI87MvHPihdhNBwsmn0qpDA=";
   };
 
-  cargoHash = "sha256-MK6Zcpf12mGzntEv632kQjH7YOx31QBCmSJHxjE3l1c=";
+  cargoHash = "sha256-sinfwdi3/ZFmdbxRiUbtmhsVGcJenn82HFu8mJz415I=";
 
   passthru = {
     tests.version = testers.testVersion { package = cedar; };

No auto update branch exists
There might already be an open PR for this update:
- cedar: 4.5.1 -> 4.11.0
  URL "https://api.github.com/repos/NixOS/nixpkgs/issues/527577"