From 9aedad8eb453de126fc7f7a7029af2b5fef352fd Mon Sep 17 00:00:00 2001
From: zowoq <59103226+zowoq@users.noreply.github.com>
Date: Tue, 25 Aug 2026 12:16:19 +1000
Subject: [PATCH] prometheus-alertmanager: fix ui build

follow up from https://github.com/NixOS/nixpkgs/commit/bab9648f114253ff920e20ea82ebb822ad559229
---
 pkgs/by-name/pr/prometheus-alertmanager/elm-ui.nix | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pkgs/by-name/pr/prometheus-alertmanager/elm-ui.nix b/pkgs/by-name/pr/prometheus-alertmanager/elm-ui.nix
index 8beaa9c5f34e..7c0422035e05 100644
--- a/pkgs/by-name/pr/prometheus-alertmanager/elm-ui.nix
+++ b/pkgs/by-name/pr/prometheus-alertmanager/elm-ui.nix
@@ -13,6 +13,7 @@ buildNpmPackage (finalAttrs: {
   postPatch = ''
     # don't download elm from github
     sed -i '/"elm":/d' package.json
+    substituteInPlace elm.json --replace-fail "0.19.1" "${elmPackages.elm.version}"
   '';
 
   postConfigure = (