From 3821d95df71b4b273ddda99a69d1639da86f25b6 Mon Sep 17 00:00:00 2001
From: Michael Daniels <mdaniels5757@gmail.com>
Date: Fri, 27 Mar 2026 19:59:31 -0400
Subject: [PATCH] sampo: fix regex escape in updateScript

---
 pkgs/by-name/sa/sampo/package.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/by-name/sa/sampo/package.nix b/pkgs/by-name/sa/sampo/package.nix
index 2f2dc365998c..6f064c372e0f 100644
--- a/pkgs/by-name/sa/sampo/package.nix
+++ b/pkgs/by-name/sa/sampo/package.nix
@@ -35,7 +35,7 @@ rustPlatform.buildRustPackage (finalAttrs: {
   nativeInstallCheckInputs = [ versionCheckHook ];
   doInstallCheck = true;
 
-  passthru.updateScript = nix-update-script { extraArgs = [ "--version-regex=sampo-v([0-9\.]*)" ]; };
+  passthru.updateScript = nix-update-script { extraArgs = [ "--version-regex=sampo-v([0-9\\.]*)" ]; };
 
   meta = {
     description = "Automate changelogs, versioning, and publishing—even for monorepos across multiple package registries";