Running nixpkgs-update (https://nix-community.org/update-bot/) with UPDATE_INFO: fence 0.1.32 -> 0.1.38 https://github.com/Use-Tusk/fence/releases
attrpath: fence
Checking auto update branch...
[version] 
[version] generic version rewriter does not support multiple hashes
[rustCrateVersion] 
[rustCrateVersion] No cargoHash found
[golangModuleVersion] 
[golangModuleVersion] skipping because derivation has updateScript
[npmDepsVersion] 
[npmDepsVersion] No npmDepsHash
[updateScript] 
[updateScript] Success
[updateScript] this derivation will be built:
  /nix/store/f0aszqdk1352s39rqxg7bysw9kb3a179-packages.json.drv
building '/nix/store/f0aszqdk1352s39rqxg7bysw9kb3a179-packages.json.drv'...

Going to be running update for following packages:
 - fence-0.1.32

Press Enter key to continue...
Running update for:
Enqueuing group of 1 packages
 - fence-0.1.32: UPDATING ...
 - fence-0.1.32: DONE.

Packages updated!

Diff after rewrites:
diff --git a/pkgs/by-name/fe/fence/package.nix b/pkgs/by-name/fe/fence/package.nix
index ec528e557ee7..6ab30c2d1ba8 100644
--- a/pkgs/by-name/fe/fence/package.nix
+++ b/pkgs/by-name/fe/fence/package.nix
@@ -14,13 +14,13 @@
 
 buildGoModule (finalAttrs: {
   pname = "fence";
-  version = "0.1.32";
+  version = "0.1.38";
 
   src = fetchFromGitHub {
     owner = "Use-Tusk";
     repo = "fence";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-D+mAwmeOGSuKqO72atjvlhg2ez4MXtrjlnHEXPX34jI=";
+    hash = "sha256-+7EXyskuce2+RCpAOi+kKv3Z3us5SQAuXVBuvw87ELQ=";
   };
 
   vendorHash = "sha256-8v6B39TCwzu6DgFr1nuaGBEQ9s06rbBCENiGUIVw9Rk=";

No auto update branch exists
There might already be an open PR for this update:
- fence: 0.1.32 -> 0.1.38
  URL "https://api.github.com/repos/NixOS/nixpkgs/issues/504189"