diff --git a/pkgs/by-name/wa/waylock/package.nix b/pkgs/by-name/wa/waylock/package.nix
index 42e5df06185c..91530b277364 100644
--- a/pkgs/by-name/wa/waylock/package.nix
+++ b/pkgs/by-name/wa/waylock/package.nix
@@ -52,7 +52,7 @@ stdenv.mkDerivation (finalAttrs: {
     substituteInPlace pam.d/waylock --replace-fail "system-auth" "login"
   '';
 
-  passthru.updateScript = ./update.nu;
+  passthru.updateScript = ./update.sh;
 
   meta = {
     homepage = "https://codeberg.org/ifreund/waylock";
diff --git a/pkgs/by-name/wa/waylock/update.nu b/pkgs/by-name/wa/waylock/update.nu
deleted file mode 100755
index e227fb646517..000000000000
--- a/pkgs/by-name/wa/waylock/update.nu
+++ /dev/null
@@ -1,8 +0,0 @@
-#!/usr/bin/env nix-shell
-#!nix-shell -i nu -p nushell common-updater-scripts zon2nix
-
-let latest_tag = list-git-tags --url=https://codeberg.org/ifreund/waylock | lines | sort --natural | str replace v '' | last
-update-source-version waylock $latest_tag
-
-http get $"https://codeberg.org/ifreund/waylock/raw/tag/v($latest_tag)/build.zig.zon" | save build.zig.zon
-zon2nix > pkgs/by-name/wa/waylock/build.zig.zon.nix
diff --git a/pkgs/by-name/wa/waylock/update.sh b/pkgs/by-name/wa/waylock/update.sh
new file mode 100755
index 000000000000..5916fa443945
--- /dev/null
+++ b/pkgs/by-name/wa/waylock/update.sh
@@ -0,0 +1,14 @@
+#!/usr/bin/env nix-shell
+#!nix-shell -i bash -p bash common-updater-scripts gnused nixfmt-rfc-style zon2nix
+
+latest_tag=$(list-git-tags --url=https://codeberg.org/ifreund/waylock | sed 's/^v//' | tail -n 1)
+
+update-source-version waylock "$latest_tag"
+
+wget "https://codeberg.org/ifreund/waylock/raw/tag/v${latest_tag}/build.zig.zon"
+nix --extra-experimental-features 'nix-command flakes' run github:Cloudef/zig2nix#zon2nix -- build.zig.zon >pkgs/by-name/wa/waylock/build.zig.zon.nix
+# strip file protocol
+sed -i '\|file = unpackZigArtifact { inherit name; artifact = /. + path; };|d' pkgs/by-name/wa/waylock/build.zig.zon.nix
+nixfmt pkgs/by-name/wa/waylock/build.zig.zon.nix
+
+rm -f build.zig.zon build.zig.zon2json-lock