diff --git a/Dockerfile b/Dockerfile
index 42abcf0..7f3115a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
 # Multi-stage build for MrixsCraft backend.
 # Final image: ~20 MB, non-root, no toolchain.
 
-FROM golang:1.22-alpine AS builder
+FROM golang:1.25-alpine AS builder
 WORKDIR /build
 COPY go.mod go.sum ./
 RUN go mod download