diff --git a/Dockerfile b/Dockerfile
index 20eb56e..3a21177 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,7 +3,7 @@
 # SPDX-License-Identifier: MIT
 
 ## Build first
-FROM golang:alpine@sha256:b8ded51bad03238f67994d0a6b88680609b392db04312f60c23358cc878d4902 AS builder
+FROM golang:alpine@sha256:421bc7f4b90d042c56282bb894451108f8ab886687e1b73abaefad31ab10a14d AS builder
 RUN mkdir /builddithur
 ADD cmd/ /builddir/cmd/
 ADD template/ /builddir/template