From d134773d6bc5cebbcf5a6a41d531d7b1884603e6 Mon Sep 17 00:00:00 2001
From: Nat Dean-Lewis <nat.dean-lewis@softwire.com>
Date: Fri, 17 Apr 2026 14:53:31 +0100
Subject: [PATCH] CLDC-4229: update alpine to 3.21 to avoid upgrading node

---
 Dockerfile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Dockerfile b/Dockerfile
index bccab4e23..5d91f709d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ruby:3.4.4-alpine3.22 as base
+FROM ruby:3.4.4-alpine3.21 as base
 
 WORKDIR /app