diff --git a/deployment/Dockerfile b/deployment/Dockerfile
index 37db31f..b0dfa9a 100644
--- a/deployment/Dockerfile
+++ b/deployment/Dockerfile
@@ -1,5 +1,5 @@
 # build environment ###########################################
-FROM golang:1.18.1-alpine@sha256:42d35674864fbb577594b60b84ddfba1be52b4d4298c961b46ba95e9fb4712e8 AS build-env
+FROM golang:1.23.1-alpine@sha256:ac67716dd016429be8d4c2c53a248d7bcdf06d34127d3dc451bda6aa5a87bc06 AS build-env
 
 WORKDIR /app