diff --git a/Dockerfile b/Dockerfile
index 5e934283..a6c21e44 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
 # Use the offical Golang image to create a build artifact.
 # This is based on Debian and sets the GOPATH to /go.
 # https://hub.docker.com/_/golang
-FROM golang:1.18.3-alpine as builder
+FROM golang:1.21.5-alpine as builder
 
 RUN apk add --no-cache gcc libc-dev git
 
diff --git a/initcontainer.Dockerfile b/initcontainer.Dockerfile
index d019381c..e79247d8 100644
--- a/initcontainer.Dockerfile
+++ b/initcontainer.Dockerfile
@@ -1,7 +1,7 @@
 # Use the offical Golang image to create a build artifact.
 # This is based on Debian and sets the GOPATH to /go.
 # https://hub.docker.com/_/golang
-FROM golang:1.17.5-alpine as builder
+FROM golang:1.21.5-alpine as builder
 
 RUN apk add --no-cache gcc libc-dev git