diff --git a/backend/Dockerfile b/backend/Dockerfile
index c93fdbc..4abb40d 100644
--- a/backend/Dockerfile
+++ b/backend/Dockerfile
@@ -1,5 +1,5 @@
 # ── Build stage ──────────────────────────────────────────────────────────────
-FROM golang:1.22-alpine AS builder
+FROM golang:1.25-alpine AS builder
 
 WORKDIR /app