diff --git a/backend/Dockerfile b/backend/Dockerfile
index 75b8030..fe0db6d 100644
--- a/backend/Dockerfile
+++ b/backend/Dockerfile
@@ -1,6 +1,11 @@
-FROM node:18-alpine
+FROM node:22-alpine
 #FROM node:18.14.0-alpine
 
+RUN apk update && apk upgrade --no-cache
+
+# 2. Atualiza a versão global do gestor NPM (Corrige tar, glob, minimatch)
+RUN npm install -g npm@latest
+
 # Cria um grupo e um utilizador sem privilégios
 RUN addgroup -S appgroup && adduser -S appuser -G appgroup