Running nixpkgs-update (https://nix-community.org/update-bot/) with UPDATE_INFO: envoy-bin 1.37.2 -> 1.38.1 https://github.com/envoyproxy/envoy/releases
attrpath: envoy-bin
Checking auto update branch...
[version] 
[version] skipping because derivation has updateScript
[rustCrateVersion] 
[rustCrateVersion] No cargoHash found
[golangModuleVersion] 
[golangModuleVersion] Not a buildGoModule package with vendorHash
[npmDepsVersion] 
[npmDepsVersion] No npmDepsHash
[updateScript] 
[updateScript] Success
[updateScript] this derivation will be built:
  /nix/store/bnzhl6k82cs1c3dwqnrz1gzps4ja9xh1-packages.json.drv
building '/nix/store/bnzhl6k82cs1c3dwqnrz1gzps4ja9xh1-packages.json.drv'...

Going to be running update for following packages:
 - envoy-bin-1.37.2

Press Enter key to continue...
Running update for:
Enqueuing group of 1 packages
 - envoy-bin-1.37.2: UPDATING ...
 - envoy-bin-1.37.2: DONE.

Packages updated!

Diff after rewrites:
diff --git a/pkgs/by-name/en/envoy-bin/package.nix b/pkgs/by-name/en/envoy-bin/package.nix
index 9477b40bb382..5a59753fc0c3 100644
--- a/pkgs/by-name/en/envoy-bin/package.nix
+++ b/pkgs/by-name/en/envoy-bin/package.nix
@@ -7,7 +7,7 @@
   versionCheckHook,
 }:
 let
-  version = "1.37.2";
+  version = "1.38.1";
   inherit (stdenvNoCC.hostPlatform) system;
   throwSystem = throw "envoy-bin is not available for ${system}.";
 
@@ -20,8 +20,8 @@ let
 
   hash =
     {
-      aarch64-linux = "sha256-sNf78pVUOEziPnGQCQJX/rXKE28UViazre+rstU/h4s=";
-      x86_64-linux = "sha256-MtPMIDuKvc6MLtkWopgSQ2TgxI6DtxlvVR52m2pIm/g=";
+      aarch64-linux = "sha256-BQJpzeBHzB7l2yDwZstVtbESrzA45TUvmECPfMuF2lo=";
+      x86_64-linux = "sha256-vjEJxO6koesooi7qV1L7vjT4jh71zmp8aqPtAGE+pUU=";
     }
     .${system} or throwSystem;
 in

An auto update branch exists with message `envoy-bin: 1.37.2 -> 1.38.0`. New version is 1.38.1.
The auto update branch does not match or exceed the new version.
There might already be an open PR for this update:
- envoy-bin: 1.37.2 -> 1.38.1
  URL "https://api.github.com/repos/NixOS/nixpkgs/issues/528359"