diff --git a/Dockerfile b/Dockerfile
index cccfbf8..9e13fd7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # build environment ###########################################
-FROM golang:1.20.3-alpine@sha256:08e9c086194875334d606765bd60aa064abd3c215abfbcf5737619110d48d114 AS build-env
+FROM golang:1.23.3-alpine@sha256:25db3a0508ff009054bf467f25e1ab395fced0f93b69459dd736ae523e61c781 AS build-env
 
 WORKDIR /app