diff --git a/Dockerfile b/Dockerfile
index ebdff64..1e009c1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # build environment ###########################################
-FROM golang:1.22.0-alpine@sha256:8e96e6cff6a388c2f70f5f662b64120941fcd7d4b89d62fec87520323a316bd9 AS build-env
+FROM golang:1.22.3-alpine@sha256:809aaeaa23f3d8610582a224d41a80132dbcf16f1749edfaabf0f8617743a3fc AS build-env
 
 WORKDIR /app