diff --git a/test/json-server/Dockerfile b/test/json-server/Dockerfile
index c40eaba..9a3a71b 100644
--- a/test/json-server/Dockerfile
+++ b/test/json-server/Dockerfile
@@ -1,4 +1,4 @@
-FROM node:20-alpine
+FROM node:21-alpine
 
 RUN npm install -g json-server