diff --git a/packages/sign-client/Dockerfile b/packages/sign-client/Dockerfile
index d8f793c1b..0e219b915 100644
--- a/packages/sign-client/Dockerfile
+++ b/packages/sign-client/Dockerfile
@@ -1,4 +1,4 @@
-FROM node:22-alpine as base
+FROM node:21-alpine as base
 
 WORKDIR /