diff --git a/Dockerfile.browser b/Dockerfile.browser
index 4d34e32..6c36072 100644
--- a/Dockerfile.browser
+++ b/Dockerfile.browser
@@ -1,6 +1,6 @@
 # Multi-stage build for MQTT Explorer Browser Mode
 # Stage 1: Build and prepare production dependencies
-FROM node:24-alpine AS builder
+FROM node:22-alpine AS builder
 
 WORKDIR /build