diff --git a/Dockerfile b/Dockerfile
index 76b7973..b690de7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.25-alpine AS builder
+FROM golang:1.26-alpine AS builder
 WORKDIR /src
 COPY go.mod ./
 COPY nextip.go ./