diff --git a/Dockerfile b/Dockerfile
index aa6a505..7cc768d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.25.1-alpine@sha256:b6ed3fd0452c0e9bcdef5597f29cc1418f61672e9d3a2f55bf02e7222c014abd AS builder
+FROM golang:1.26.3-alpine@sha256:91eda9776261207ea25fd06b5b7fed8d397dd2c0a283e77f2ab6e91bfa71079d AS builder
 
 WORKDIR /netlib