diff --git a/deployment/Dockerfile b/deployment/Dockerfile
index 37db31f..a74c333 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:1.22.4-alpine@sha256:32c85006b1edf29c097514e0c81a33334aa1450685a885c10657ec756dbb7703 AS build-env
 
 WORKDIR /app