diff --git a/deployment/Dockerfile b/deployment/Dockerfile
index 30f1c14e..f927d42a 100644
--- a/deployment/Dockerfile
+++ b/deployment/Dockerfile
@@ -2,7 +2,7 @@
 FROM moby/buildkit:v0.8.1-rootless AS buildkit
 
 # build-env ###################################################
-FROM golang:1.15.5-buster AS build-env
+FROM golang:1.15.7-buster AS build-env
 
 # skopeo
 RUN echo 'deb http://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/stable/Debian_10/ /' > /etc/apt/sources.list.d/devel:kubic:libcontainers:stable.list