diff --git a/Dockerfile b/Dockerfile
index fa2e9a9..77993c9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # build environment ###########################################
-FROM golang:1.21.6-alpine@sha256:fd78f2fb1e49bcf343079bbbb851c936a18fc694df993cbddaa24ace0cc724c5 AS build-env
+FROM golang:1.21.6-alpine@sha256:51a7800206bc7b276a9d62a7229cdede7b1e0f45ec28259ed44c1603c6cda1e7 AS build-env
 
 WORKDIR /app